U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Breadcrumb

  1. Home

Observations of CO2, CH4, and CO mole fractions from the NIST Northeast Corridor urban testbed

WARNING: There is a more recent version of this data set. Please visit https://doi.org/10.18434/mds2-3012 for the update. Do not use this data. Contact [email protected] with questions.Hourly observations of CO2 and CH4 from tower-based sites in the NIST Northeast Corridor network (currently 23, but more may be added in future updates); CO observations from one site. Data files are comma delimited (CSV). Measurements of each species may be from two or more different heights above ground. Site locations, heights, and other information is in a separate ascii (CSV) file (NEC_sites.csv). Data is currently reported for the years 2015-2019, with planned annual updates. An ASCII Readme file (NEC_Readme_10052020) is also posted, along with an Updates_10052020.txt file that includes information on updates.  Current update: Nov 11, 2020. See also associated publication (Karion et al., Earth System Science Data, 2020): https://doi.org/10.5194/essd-12-699-2020

About this Dataset

Updated: 2025-04-06
Metadata Last Updated: 2020-11-11 00:00:00
Date Created: N/A
Data Provided by:
Dataset Owner: N/A

Access this data

Contact dataset owner Landing Page URL
Download URL
Table representation of structured data
Title Observations of CO2, CH4, and CO mole fractions from the NIST Northeast Corridor urban testbed
Description WARNING: There is a more recent version of this data set. Please visit https://doi.org/10.18434/mds2-3012 for the update. Do not use this data. Contact [email protected] with questions.Hourly observations of CO2 and CH4 from tower-based sites in the NIST Northeast Corridor network (currently 23, but more may be added in future updates); CO observations from one site. Data files are comma delimited (CSV). Measurements of each species may be from two or more different heights above ground. Site locations, heights, and other information is in a separate ascii (CSV) file (NEC_sites.csv). Data is currently reported for the years 2015-2019, with planned annual updates. An ASCII Readme file (NEC_Readme_10052020) is also posted, along with an Updates_10052020.txt file that includes information on updates.  Current update: Nov 11, 2020. See also associated publication (Karion et al., Earth System Science Data, 2020): https://doi.org/10.5194/essd-12-699-2020
Modified 2020-11-11 00:00:00
Publisher Name National Institute of Standards and Technology
Contact mailto:[email protected]
Keywords Greenhouse gas measurements , urban greenhouse gas domes , GHG concentration measurements
{
    "identifier": "ark:\/88434\/mds2-2126",
    "accessLevel": "public",
    "contactPoint": {
        "hasEmail": "mailto:[email protected]",
        "fn": "Anna Karion"
    },
    "programCode": [
        "006:047"
    ],
    "landingPage": "https:\/\/data.nist.gov\/od\/id\/mds2-2126",
    "title": "Observations of CO2, CH4, and CO mole fractions from the NIST Northeast Corridor urban testbed",
    "description": "WARNING: There is a more recent version of this data set. Please visit https:\/\/doi.org\/10.18434\/mds2-3012 for the update. Do not use this data. Contact [email protected] with questions.Hourly observations of CO2 and CH4 from tower-based sites in the NIST Northeast Corridor network (currently 23, but more may be added in future updates); CO observations from one site. Data files are comma delimited (CSV). Measurements of each species may be from two or more different heights above ground. Site locations, heights, and other information is in a separate ascii (CSV) file (NEC_sites.csv). Data is currently reported for the years 2015-2019, with planned annual updates. An ASCII Readme file (NEC_Readme_10052020) is also posted, along with an Updates_10052020.txt file that includes information on updates.\u00a0 Current update: Nov 11, 2020. See also associated publication (Karion et al., Earth System Science Data, 2020): https:\/\/doi.org\/10.5194\/essd-12-699-2020",
    "language": [
        "en"
    ],
    "distribution": [
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "accessURL": "https:\/\/doi.org\/10.18434\/M32126",
            "title": "DOI Access for Observations of CO2, CH4, and CO mole fractions from the NIST Northeast Corridor urban testbed"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/AWS-2015-ch4-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/AWS-2015-ch4-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/AWS-2015-co2-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/AWS-2015-co2-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-ch4-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-ch4-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-co2-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/BUC-2015-co2-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNC-2015-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNH-2015-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNH-2015-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNH-2015-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/DNH-2015-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-ch4-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-ch4-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-ch4-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-ch4-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-co2-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-co2-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-co2-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HAL-2015-co2-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/HCT-2015-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/LEW-2015-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-ch4-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-ch4-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-co2-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-co2-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNC-2015-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-ch4-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-ch4-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-ch4-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-ch4-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-co2-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-co2-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-co2-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MNY-2015-co2-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-ch4-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-ch4-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co2-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co2-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/MSH-2015-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/NDC-2015-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-ch4-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-ch4-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-co2-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/ARL-2017-co2-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/AWS-2017-ch4-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/AWS-2017-ch4-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/AWS-2017-co2-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/AWS-2017-co2-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SKY-2016-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SMT-2016-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-ch4-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-ch4-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-ch4-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-ch4-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-ch4-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-co2-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-co2-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNC-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNH-2017-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNH-2017-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNH-2017-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/DNH-2017-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-ch4-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-ch4-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-ch4-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-ch4-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-co2-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-co2-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-co2-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HAL-2017-co2-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HCT-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-ch4-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-ch4-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-ch4-38m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-ch4-38m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-co2-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-co2-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-co2-38m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/HRD-2017-co2-38m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-ch4-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-ch4-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/RIC-2015-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-ch4-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-ch4-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-ch4-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-ch4-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-co2-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-co2-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-co2-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/SNJ-2015-co2-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-ch4-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-ch4-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-co2-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-co2-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2015\/UNY-2015-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-ch4-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-ch4-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-co2-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/ARL-2016-co2-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/AWS-2016-ch4-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/AWS-2016-ch4-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/AWS-2016-co2-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/AWS-2016-co2-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BRI-2016-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-ch4-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-ch4-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-co2-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/BUC-2016-co2-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BRI-2017-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/BUC-2017-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNC-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNH-2016-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNH-2016-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNH-2016-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/DNH-2016-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-ch4-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-ch4-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-ch4-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-ch4-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-co2-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-co2-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-co2-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HAL-2016-co2-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/HCT-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-ch4-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-ch4-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-co2-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-co2-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/JES-2016-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/LEW-2016-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-ch4-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-ch4-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-ch4-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-co2-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-co2-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-co2-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/SNJ-2016-co2-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-ch4-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-ch4-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-co2-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-co2-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/UNY-2016-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-co2-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-co2-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNC-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-ch4-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-ch4-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-ch4-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-ch4-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-co2-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-co2-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-co2-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MNY-2016-co2-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-ch4-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-ch4-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co2-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co2-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/MSH-2016-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NDC-2016-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-ch4-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-ch4-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-co2-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NEB-2016-co2-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-ch4-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-ch4-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-ch4-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-ch4-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-co2-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-co2-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-co2-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/NWB-2016-co2-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2016\/RIC-2016-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-ch4-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-ch4-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-co2-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NEB-2018-co2-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-ch4-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-ch4-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-ch4-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-ch4-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-co2-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-co2-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-co2-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NWB-2018-co2-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/RIC-2018-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-152m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-ch4-42m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-ch4-42m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-ch4-53m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-ch4-53m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-co2-42m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-co2-42m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-co2-53m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SNJ-2019-co2-53m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-ch4-113m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-ch4-113m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-ch4-49m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-ch4-49m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-co2-113m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-co2-113m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-co2-49m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/TMD-2019-co2-49m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-ch4-35m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-ch4-35m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-ch4-45m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-ch4-45m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-co2-35m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-co2-35m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-co2-45m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/UNY-2019-co2-45m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/NEC_Readme_10052020.txt",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/NEC_Readme_10052020.txt.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/NEC_sites.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/NEC_sites.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/Updates_10052020.txt",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/Updates_10052020.txt.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-co2-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-co2-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/JES-2017-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/LEW-2017-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-ch4-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-ch4-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-152m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-152m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-152m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SFD-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-ch4-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-ch4-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-ch4-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-ch4-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-co2-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-co2-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNC-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-ch4-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-ch4-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-ch4-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-ch4-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-co2-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-co2-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-co2-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MNY-2017-co2-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-ch4-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-ch4-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co2-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co2-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/MSH-2017-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-co2-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-co2-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-co2-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/SNJ-2018-co2-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-ch4-113m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-ch4-113m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-ch4-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-ch4-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-co2-113m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-co2-113m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-co2-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/TMD-2018-co2-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-ch4-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-ch4-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NDC-2017-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-ch4-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-ch4-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-co2-67m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NEB-2017-co2-67m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-ch4-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-ch4-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-ch4-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-ch4-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-co2-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-co2-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/UNY-2018-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-ch4-92m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-ch4-92m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-co2-92m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/ARL-2019-co2-92m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-ch4-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-co2-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-co2-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-co2-55m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/NWB-2017-co2-55m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/RIC-2017-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-152m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-152m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-ch4-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-co2-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-co2-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-152m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-152m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SFD-2017-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SKY-2017-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BRI-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-ch4-46m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-ch4-46m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-ch4-75m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-ch4-75m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-co2-46m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-co2-46m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-co2-75m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BUC-2019-co2-75m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-ch4-33m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-ch4-33m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-ch4-51m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-ch4-51m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-co2-33m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-co2-33m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-co2-51m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/BWD-2019-co2-51m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-ch4-25m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-ch4-25m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-ch4-44m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-ch4-44m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SMT-2017-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-ch4-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-ch4-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-ch4-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-ch4-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-co2-42m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-co2-42m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-co2-53m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/SNJ-2017-co2-53m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-ch4-113m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-ch4-113m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-ch4-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-ch4-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-co2-113m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-co2-113m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-co2-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/TMD-2017-co2-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-ch4-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-ch4-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-co2-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-co2-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2017\/UNY-2017-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-co2-25m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-co2-25m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-co2-44m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/CPH-2019-co2-44m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-ch4-35m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-ch4-35m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-ch4-54m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-ch4-54m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-co2-35m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-co2-35m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-co2-54m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DER-2019-co2-54m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-ch4-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-ch4-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-co2-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-co2-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNC-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-ch4-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-ch4-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-co2-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-co2-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/DNH-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-ch4-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-ch4-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-co2-92m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/ARL-2018-co2-92m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/AWS-2018-ch4-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/AWS-2018-ch4-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/AWS-2018-co2-40m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/AWS-2018-co2-40m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-ch4-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-ch4-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-ch4-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-ch4-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-co2-100m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-co2-100m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-co2-50m-1-hour-20200930.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BRI-2018-co2-50m-1-hour-20200930.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-ch4-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-ch4-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-co2-75m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BUC-2018-co2-75m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-ch4-33m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-ch4-33m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-ch4-29m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-ch4-29m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-ch4-58m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-ch4-58m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-co2-29m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-co2-29m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-co2-58m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HAL-2019-co2-58m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-ch4-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-ch4-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-co2-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-co2-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HCT-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-ch4-27m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-ch4-27m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-ch4-38m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-ch4-38m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-co2-27m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-co2-27m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-co2-38m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/HRD-2019-co2-38m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-ch4-49m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-ch4-49m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-ch4-91m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-ch4-91m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-ch4-51m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-ch4-51m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-co2-33m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-co2-33m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-co2-51m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/BWD-2018-co2-51m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-ch4-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-ch4-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-ch4-44m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-ch4-44m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-co2-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-co2-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-co2-44m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/CPH-2018-co2-44m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-ch4-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-ch4-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-ch4-54m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-ch4-54m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-co2-35m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-co2-35m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-co2-54m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DER-2018-co2-54m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-co2-49m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-co2-49m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-co2-91m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/JES-2019-co2-91m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-ch4-95m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-ch4-95m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-co2-95m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/LEW-2019-co2-95m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-ch4-213m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-ch4-213m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-co2-213m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-co2-213m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNC-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-ch4-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-ch4-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-ch4-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-ch4-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-co2-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-co2-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-co2-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MNY-2019-co2-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNC-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNH-2018-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNH-2018-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNH-2018-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/DNH-2018-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-ch4-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-ch4-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-ch4-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-ch4-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-co2-29m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-co2-29m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-co2-58m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HAL-2018-co2-58m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-ch4-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-ch4-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-co2-100m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-co2-100m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HCT-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-ch4-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-ch4-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-ch4-38m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-ch4-38m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-co2-27m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-ch4-25m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-ch4-25m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-ch4-46m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-ch4-46m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co-25m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co-25m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co-46m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co-46m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co2-25m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co2-25m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co2-46m-1-hour-20200924.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/MSH-2019-co2-46m-1-hour-20200924.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-ch4-45m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-ch4-45m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-ch4-91m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-ch4-91m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-co2-45m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-co2-45m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-co2-91m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NDC-2019-co2-91m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-ch4-67m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-ch4-67m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-co2-67m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NEB-2019-co2-67m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-co2-27m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-co2-38m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/HRD-2018-co2-38m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-ch4-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-ch4-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-co2-49m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-co2-49m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/JES-2018-co2-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-ch4-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-ch4-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-co2-95m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/LEW-2018-co2-95m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-ch4-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-ch4-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-ch4-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-ch4-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-co2-213m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-co2-213m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-co2-50m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-ch4-27m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-ch4-27m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-ch4-55m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-ch4-55m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-co2-27m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-co2-27m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-co2-55m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/NWB-2019-co2-55m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-ch4-95m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-ch4-95m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-co2-95m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/RIC-2019-co2-95m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-152m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-152m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-ch4-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-100m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-100m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-152m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-152m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-50m-1-hour-20200902.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2019\/SFD-2019-co2-50m-1-hour-20200902.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNC-2018-co2-50m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-ch4-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-ch4-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-ch4-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-ch4-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-co2-50m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-co2-50m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-co2-76m-1-hour-20201002.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MNY-2018-co2-76m-1-hour-20201002.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-ch4-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-ch4-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-ch4-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-ch4-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co2-25m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co2-25m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co2-46m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/MSH-2018-co2-46m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-ch4-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-ch4-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-ch4-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-ch4-91m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-co2-45m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-co2-45m-1-hour-20190923.csv.sha256",
            "mediaType": "text\/plain"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-2126\/2018\/NDC-2018-co2-91m-1-hour-20190923.csv",
            "mediaType": "text\/csv"
        }
    ],
    "bureauCode": [
        "006:55"
    ],
    "modified": "2020-11-11 00:00:00",
    "publisher": {
        "@type": "org:Organization",
        "name": "National Institute of Standards and Technology"
    },
    "theme": [
        "Environment:Greenhouse gas measurements"
    ],
    "keyword": [
        "Greenhouse gas measurements",
        "urban greenhouse gas domes",
        "GHG concentration measurements"
    ]
}