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Radon Professional Services

Berwyn, Illinois. Testing and mitigation

2 Illinois state licenses 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

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

Illinois state licenses (2)

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. RNM2017207Mitigation ProfessionalVerified November 11, 2026Verify RNM2017207 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNI2012207Measurement ProfessionalVerified November 11, 2026Verify RNI2012207 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. RNTST10284Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10284 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 Berwyn

Berwyn lies in Cook County, where 19.4% of 26,937 radon tests reported to CDC (2017) were at or above 4 pCi/L, 14.3 points below Illinois pooled (33.7%), 67th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Berwyn lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Cook County26,93719.4%1.9 pCi/L33.7%67 of 70Zone 2

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 Berwyn

Around Cook County, where Berwyn lies, the nearest Illinois counties with a CDC figure for 2017 run from 27.4% to 40.0% of tests at or above 4 pCi/L; the closest, DuPage County, is 14 miles away at 33.7%.

The nearest Illinois counties to Cook County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
DuPage County14 mi19,40133.7%2.7 pCi/L
Will County29 mi10,77640.0%3.1 pCi/L
Kane County32 mi8,68236.6%2.8 pCi/L
Lake County35 mi13,05027.4%2.4 pCi/L
Kendall County36 mi3,04535.0%2.8 pCi/L
McHenry County47 mi6,47435.1%2.9 pCi/L

Nearby

Radon professionals nearest Berwyn

More radon professionals in BerwynMore radon professionals in Illinois

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