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    • MSHA Coal Dust Samples

    Metadata Updated: January 20, 2026

    All operator and inspector dust samples taken for gravimetric samples. It includes information such as cassette numbers, date the sample was taken, initial and final weights, sample type, occupation codes related to the person taking the sample and mine information. Cassette number is the primary key for gravimetric samples. It also contains operator Continuous Personal Dust Monitor (CPDM) samples for operators as of 2/1/2016. The unique key is the CPDM file name. This dataset can be linked to the Mines dataset for further mine information.

    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-19-012:030-165
    Language en-US
    Data Last Modified 2025-12-15T14:12:32.920Z
    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/Coal_Dust_Sample_Definition_File.txt
    Data Dictionary Type text/plain
    Harvest Object Id c3cae3cc-1024-41c3-9269-d66fe2b5794c
    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 b474df1a109fddd00d4491992bb324578ffca63123dcbc4e6caac79b9b8e593a
    Source Schema Version 1.1
    Temporal 2000-01-01/2025-12-31

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