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Zollner Inspections LLC

Madison, Ohio. 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.

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.

LicenseNumberStatus on the listExpiresVerifiedCheck with the issuer
Testing licenseNo. RT839Ohio licensed radon testerExpires October 24, 2027Verified November 3, 2026Verify RT839 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)

Licensing in Ohio

Ohio's radon program says the state licenses or certifies radon professionals.

Radon Education and Licensing Program, Ohio Department of Health, 614-728-0272.

What Ohio requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in Madison

Madison lies in Lake County, where 27.2% of 2,349 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 25.1 points below Ohio pooled (52.3%), 76th of 79 Ohio counties with 30 or more tests.

Radon test figures for the county Madison lies in
CountyTestsAt or above 4 pCi/LMedianOhio, pooledRank in the stateEPA zone
Lake County2,34927.2%2.4 pCi/L52.3%76 of 79Zone 2

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 Madison

Around Lake County, where Madison lies, the nearest Ohio counties with a CDC figure for 2008 to 2017, laboratory run from 21.7% to 39.3% of tests at or above 4 pCi/L; the closest, Geauga County, is 14 miles away at 23.4%.

The nearest Ohio counties to Lake County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Geauga County14 mi1,46923.4%2.4 pCi/L
Ashtabula County25 mi31434.4%2.5 pCi/L
Cuyahoga County29 mi10,09221.7%2.0 pCi/L
Trumbull County36 mi42534.6%2.9 pCi/L
Portage County37 mi1,66139.3%3.2 pCi/L
Summit County42 mi6,48638.7%3.1 pCi/L

Nearby

Radon professionals nearest Madison

More radon professionals in MadisonMore radon professionals in Ohio

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