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Timmit Radon Systems

Marseilles, Illinois. Mitigation

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

Call Timmit Radon Systems at (630) 205-3416

Credentials

Licenses and certifications

1 credential is on file for this business, 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
Mitigation licenseNo. RNM98106Mitigation ProfessionalVerified November 11, 2026Verify RNM98106 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 Marseilles

Marseilles lies in LaSalle County, where 45.8% of 1,002 radon tests reported to CDC (2017) were at or above 4 pCi/L, 12.1 points above Illinois pooled (33.7%), 31st of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Marseilles lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
LaSalle County1,00245.8%3.6 pCi/L33.7%31 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 Marseilles

Around LaSalle County, where Marseilles lies, the nearest Illinois counties with a CDC figure for 2017 run from 32.3% to 58.6% of tests at or above 4 pCi/L; the closest, Putnam County, is 23 miles away at 53.3%.

The nearest Illinois counties to LaSalle County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Putnam County23 mi4553.3%4.5 pCi/L
Grundy County25 mi39032.3%2.4 pCi/L
Kendall County29 mi3,04535.0%2.8 pCi/L
Marshall County32 mi8148.1%3.8 pCi/L
Bureau County34 mi33358.6%5.1 pCi/L
Lee County35 mi21943.8%3.3 pCi/L

Nearby

Radon professionals nearest Marseilles

More radon professionals in MarseillesMore radon professionals in Illinois

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