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AA Marshall Home Inspection Services

Mahomet, Illinois. Testing and mitigation

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

1 Illinois state license not on the latest list read.

Credentials

Licenses and certifications

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

Illinois state licenses (5)

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
Mitigation licenseNo. RNM20231851Mitigation ProfessionalVerified November 11, 2026Verify RNM20231851 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNI20231905Measurement ProfessionalVerified November 11, 2026Verify RNI20231905 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2021239Not on the state list read 2026-10-04Not on the latest listVerify RNIT2021239 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20242483Measurement TechnicianVerified November 11, 2026Verify RNIT20242483 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20253155Measurement TechnicianVerified November 11, 2026Verify RNIT20253155 with the Illinois Emergency Management Agency (IEMA) (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 Mahomet

Mahomet lies in Champaign County, where 44.7% of 3,159 radon tests reported to CDC (2017) were at or above 4 pCi/L, 11.0 points above Illinois pooled (33.7%), 33rd of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Mahomet lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Champaign County3,15944.7%3.4 pCi/L33.7%33 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 Mahomet

Around Champaign County, where Mahomet lies, the nearest Illinois counties with a CDC figure for 2017 run from 46.7% to 57.1% of tests at or above 4 pCi/L; the closest, Piatt County, is 23 miles away at 54.8%.

The nearest Illinois counties to Champaign County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Piatt County23 mi27954.8%4.3 pCi/L
Vermilion County25 mi3953.8%4.7 pCi/L
Douglas County26 mi8450.0%3.8 pCi/L
Ford County32 mi4257.1%4.0 pCi/L
De Witt County37 mi12657.1%5.2 pCi/L
Moultrie County41 mi4546.7%3.3 pCi/L

Nearby

Radon professionals nearest Mahomet

More radon professionals in MahometMore radon professionals in Illinois

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