The National Environmental Health Association
National Radon Proficiency Program

Certified Analytical Laboratory

The firms referenced below have met the requirements for certification as Analytical Laboratories with the National Environmental Health Association’s National Radon Proficiency Program. Verification of adherence to state and local regulations is advised.

All labs are required to have a Responsible Party who must be certified as a Residential Measurement Provider.

Lists are generally updated on a weekly basis.


Checklist for Consumers

List of Labs

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