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Gary BarclayLicensed

Licensed radon professional based in Watsontown, Northumberland County, PA

License number3501
License typeRadon Measurement Professional
License statusActive, PA DEP certified
Based inWatsontown, Northumberland County, Pennsylvania

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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How to verify this license

We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #3501 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Checked against PA DEP radon services directory, last checked 2026-11-02. See the issuing agency.

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