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    • NRSA2324 Nitrate Stable Isotope Ratios

    Metadata Updated: June 7, 2025

    Stable Isotope Ratios of Nitrate from the National Aquatic Resource Survey 2023 and 2024. We analyzed 163 samples with nitrate concentrations above 2 mg-N/L for oxygen and nitrogen isotopes of nitrate. We also include the water stable isotope values for those same samples. Metadata and QA data are provided in the spreadsheet.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date June 7, 2025
    Metadata Updated Date June 7, 2025

    Metadata Source

    Harvested from EPA ScienceHub

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 7, 2025
    Metadata Updated Date June 7, 2025
    Publisher U.S. EPA Office of Research and Development (ORD)
    Maintainer
    Identifier https://doi.org/10.23719/1532320
    Data Last Modified 2025-06-02
    Public Access Level public
    Bureau Code 020:00
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Harvest Object Id 1fa6055b-845d-4f2b-bacb-85bb63713941
    Harvest Source Id 04b59eaf-ae53-4066-93db-80f2ed0df446
    Harvest Source Title EPA ScienceHub
    License https://pasteur.epa.gov/license/sciencehub-license.html
    Program Code 020:000
    Publisher Hierarchy U.S. Government > U.S. Environmental Protection Agency > U.S. EPA Office of Research and Development (ORD)
    Source Datajson Identifier True
    Source Hash 7a6a02d12e5f810b7002c6a240050d780a612a7ddb57e4fe300601e05c0e1dd1
    Source Schema Version 1.1

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