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Dublin, Ohio. Testing

5 Ohio state licenses verified against the Ohio Department of Health, Radon Education and Licensing Program list, last checked November 3, 2026.

1 Ohio state license not on the latest list read.

Credentials

Licenses and certifications

6 credentials are on file for this business, each exactly as the issuer's list printed it.

Ohio state licenses (6)

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. RT1111Ohio licensed radon testerExpires November 12, 2026Verified November 3, 2026Verify RT1111 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)
Testing licenseNo. RT1638Not on the state list read 2026-11-03Expires October 14, 2026Expired October 14, 2026Verify RT1638 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)
Testing licenseNo. RT2061Ohio licensed radon testerExpires April 15, 2027Verified November 3, 2026Verify RT2061 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)
Testing licenseNo. RT2102Ohio licensed radon testerExpires October 7, 2027Verified November 3, 2026Verify RT2102 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)
Testing licenseNo. RT2111Ohio licensed radon testerExpires November 6, 2027Verified November 3, 2026Verify RT2111 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)
Testing licenseNo. RT2169Ohio licensed radon testerExpires June 11, 2028Verified November 3, 2026Verify RT2169 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 Dublin

Dublin lies partly in Delaware County, where 72.2% of 3,730 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 19.9 points above Ohio pooled (52.3%), 4th of 79 Ohio counties with 30 or more tests.

Radon test figures for the counties Dublin lies in
CountyTestsAt or above 4 pCi/LMedianOhio, pooledRank in the stateEPA zone
Delaware County3,73072.2%6.4 pCi/L52.3%4 of 79Zone 1
Franklin County16,14271.9%6.8 pCi/L52.3%6 of 79Zone 1
Union County1,28560.2%4.8 pCi/L52.3%23 of 79Zone 1

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 Dublin

Around Delaware County, one of the counties Dublin lies in, the nearest Ohio counties with a CDC figure for 2008 to 2017, laboratory run from 59.5% to 72.0% of tests at or above 4 pCi/L; the closest, Morrow County, is 20 miles away at 65.0%.

The nearest Ohio counties to Delaware County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Morrow County20 mi17765.0%5.7 pCi/L
Marion County23 mi26565.3%6.4 pCi/L
Licking County30 mi4,69471.2%7.0 pCi/L
Knox County32 mi1,53072.0%8.1 pCi/L
Madison County34 mi54967.4%5.7 pCi/L
Crawford County40 mi21059.5%4.7 pCi/L

Nearby

Radon professionals nearest Dublin

More radon professionals in DublinMore radon professionals in Ohio

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