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Certified Radon SpecialistLicensed

Licensed radon professional based in Harrison, Hamilton County, OH

Company	Michael Lewis
License number	RT594
License type	Radon Tester
License status	Active, Ohio ODH licensed
License expires	September 17, 2027
Based in	Harrison, Hamilton County, Ohio 45030

"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 #RT594 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Checked against ODH radon licensure data, last checked 2026-11-02. See the issuing agency.

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