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Onega LLCLicensed

Licensed radon professional based in Harmony, Butler County, PA

License number	2522; 8896; 2386; 8729; 8897
License type	Radon Measurement Professional
License status	Active, PA DEP certified
Based in	Harmony, Butler County, Pennsylvania
Certified people on the state list	Jason Campbell, Richard Onega, Richard N Onega, Leonard Peffer

"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 #2522; 8896; 2386; 8729; 8897 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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