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Geneseo, Illinois. Testing

1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.

1 Iowa state license verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked November 3, 2026.

Credentials

Licenses and certifications

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

Illinois state license (1)

Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on November 11, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNI2018228Measurement ProfessionalVerified November 11, 2026Verify RNI2018228 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)

Iowa state license (1)

Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNTST10082Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10082 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)

Licensing in Illinois

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

IEMA-OHS Radon Program, Illinois Emergency Management Agency and Office of Homeland Security, (800) 325-1245.

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

Local radon figures

Radon in Geneseo

Geneseo lies in Henry County, where 55.7% of 420 radon tests reported to CDC (2017) were at or above 4 pCi/L, 22.0 points above Illinois pooled (33.7%), 12th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Geneseo lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Henry County42055.7%4.6 pCi/L33.7%12 of 70Zone 1

Shares of tests people chose to run and report, by county (2017); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Geneseo

Around Henry County, where Geneseo lies, the nearest Illinois counties with a CDC figure for 2017 run from 43.1% to 69.2% of tests at or above 4 pCi/L; the closest, Rock Island County, is 24 miles away at 46.5%.

The nearest Illinois counties to Henry County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Rock Island County24 mi2,28346.5%3.7 pCi/L
Stark County25 mi3969.2%5.8 pCi/L
Knox County29 mi24956.6%4.7 pCi/L
Whiteside County30 mi69643.1%3.3 pCi/L
Bureau County32 mi33358.6%5.1 pCi/L
Mercer County33 mi6668.2%5.5 pCi/L

Nearby

Radon professionals nearest Geneseo

More radon professionals in GeneseoMore radon professionals in Illinois

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