Radon Services Directory
All hyperlinks links to PDF files and automatically open in a new tab or window.
Above lists updated November 1, 2018
This directory contains a listing of Pennsylvania approved:
- Certified individuals
- Certified firms
- DEP listed testing firm employees
All DEP-listed Testing Firm Employees have an ID number in the 8000 series
- DEP-listed mitigation firm employees
All DEP-listed Mitigation Firm Employees have an ID number in the 7000 series
The coding description for the different types of radon test devices is listed below.
- E Electret Ion Chamber
- A Alpha Track Detector
- C Charcoal Canister
- CW Continuous Working Level Monitor
- CR Continuous Radon Monitor
- LS Liquid Scintillation
Since certification status may change, the Bureau of Radiation Protection updates these lists monthly. To verify certification, check for a current DEP ID Card and/or certification certificate.