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Radon Services Directory

Certified Testers:

Testers Sorted Alphabetically by Name (PDF)
Testers Sorted Alphabetically by County (PDF)

Certified Mitigators:

Mitigators Sorted Alphabetically by Name (PDF)
Mitigators Sorted Alphabetically by County (PDF)

Certified Laboratories:

Laboratories Sorted Alphabetically by Name (PDF)
Laboratories Sorted Alphabetically by County (PDF)

Above lists updated January 1, 2017

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.