CPDM Sample File Transmission

Lapse in Appropriations

For workplace safety and health, please call 800-321-6742; for mine safety and health, please call 800-746-1553; for Job Corps, please call 800-733-5627 and for Wage and Hour, please call 1-866-487-9243 (1 866-4-US-WAGE).  This website is currently not being updated due to the suspension of Federal government services. The last update to the site was 10/1/2025.  Updates to the site will start again when the Federal government resumes operations.

Sample Data upload and download for CPDM

Coal mine operators can transmit Continuous Personal Dust Monitor (CPDM) sample files to MSHA and check the status of previously uploaded files using the links below.

If you have trouble transmitting or have transmission questions, contact MSHA's Help Desk at desk.help@dol.gov or (877) 778-6055.

First time here? Check out our Quick Reference Guide for uploading CPDM sample files.

Upload CPDM sample files

Digital Dashboard – Check the status of uploaded CPDM samples and correct CPDM samples rejected by MSHA

Access the most current software and manual for the PDM3700 Personal Dust Monitor from ThermoFisher Scientific.

CPDM Status Codes Resulting in Voided Samples