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    • MSHA Noise Samples

    Metadata Updated: January 20, 2026

    Includes information about noise samples taken and the types of protection being used, the machines active and environment at the time. Form No. and Survey No. together create a unique key for the file.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date April 12, 2021
    Metadata Updated Date January 20, 2026
    Data Update Frequency R/PT1S

    Metadata Source

    Harvested from DOL JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 12, 2021
    Metadata Updated Date January 20, 2026
    Publisher Mine Safety and Health Administration
    Maintainer
    Identifier MSHA-19-012:030-176
    Language en-US
    Data Last Modified 2025-12-15T13:17:19.626Z
    Rights true
    Public Access Level public
    Data Update Frequency R/PT1S
    Bureau Code 000:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Data Dictionary https://arlweb.msha.gov/OpenGovernmentData/DataSets/Noise_Samples_Definition_File.txt
    Data Dictionary Type text/plain
    Harvest Object Id 38e79689-657f-4506-a79d-381c7cfcee27
    Harvest Source Id 81f6ae6e-c0d0-4e98-bb1b-04e323ef429e
    Harvest Source Title DOL JSON
    Homepage URL https://www.msha.gov/mine-data-retrieval-system
    Program Code 000:000
    Publisher Hierarchy Mine Safety and Health Administration > Mine Safety and Health Administration
    Source Datajson Identifier True
    Source Hash c42d65c4b52c34a8d8a7b42cb05422322f1ffe3bbc6e60395df7e2bbff4e9741
    Source Schema Version 1.1
    Temporal 2000-01-01/2025-12-31

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