Listed for: TestingMitigation
Verified:Ohio state license. Reports NRPP certification (not yet verified by Radon411)
ProfessionalsBusiness profile
ASTI Environmental
Brighton, Michigan. Testing
1 Ohio state license verified against the Ohio Department of Health, Radon Education and Licensing Program list, last checked November 3, 2026.
Credentials
Licenses and certifications
1 credential is on file for this business, exactly as the issuer's list printed it.
These are Ohio licenses, and the business address is in Michigan.
Radon411 has no Michigan record for this business. Before hiring it for a home in Michigan, check what Michigan asks for. What Michigan requires
Ohio state license (1)
Issued by the Ohio Department of Health, Radon Education and Licensing Program, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026.
| License | Number | Status on the list | Expires | Verified | Check with the issuer |
|---|---|---|---|---|---|
| Testing license | No. RT911 | Ohio licensed radon tester | Expires January 21, 2027 | Verified November 3, 2026 | Verify RT911 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
Licensing in Michigan
Michigan's radon program says the state does not license or certify radon professionals.
Michigan Indoor Radon Program, Michigan Department of Environment, Great Lakes, and Energy, 800-723-6642.
What Michigan requires, in its program’s own words, and how to check a credential
Local radon figures
Radon in Brighton
Brighton lies in Livingston County, where 43.1% of 4,885 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 16.2 points above Michigan pooled (26.9%), 5th of 82 Michigan counties with 30 or more tests.
Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.
The counties around Brighton
Around Livingston County, where Brighton lies, the nearest Michigan counties with a CDC figure for 2008 to 2017, laboratory run from 21.9% to 49.7% of tests at or above 4 pCi/L; the closest, Ingham County, is 24 miles away at 24.9%.
Nearby
Radon professionals nearest Brighton
Listed for: Testing
Verified:Minnesota state license+2 more: Ohio state license, Pennsylvania state license. Reports NRPP certification (not yet verified by Radon411)
- View profile for Radon Defenders
Radon Defenders
battle creek, MI
Listed for: TestingMitigation
Verified:Illinois state license. Reports NRPP certification (not yet verified by Radon411)
Call Radon Defenders at (269) 446-0558No website listed Listed for: Testing
Verified:Kansas state license
No phone or website on the list. Licenses on the profile.
More radon professionals in BrightonMore radon professionals in Michigan
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