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