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Professional Radon Testers

Barrington, Illinois. Testing

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

Call Professional Radon Testers at (630) 605-8964

Credentials

Licenses and certifications

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

Illinois state licenses (7)

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. RNI2016219Measurement ProfessionalVerified November 11, 2026Verify RNI2016219 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2005208Measurement TechnicianVerified November 11, 2026Verify RNIT2005208 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2016219Measurement TechnicianVerified November 11, 2026Verify RNIT2016219 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2017224Measurement TechnicianVerified November 11, 2026Verify RNIT2017224 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2021217Measurement TechnicianVerified November 11, 2026Verify RNIT2021217 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2021244Measurement TechnicianVerified November 11, 2026Verify RNIT2021244 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20253249Measurement TechnicianVerified November 11, 2026Verify RNIT20253249 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 Barrington

Barrington lies partly 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 counties Barrington 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
Lake County13,05027.4%2.4 pCi/L33.7%59 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 Barrington

Around Cook County, one of the counties Barrington lies in, the nearest Illinois counties with a CDC figure for 2017 run from 31.6% 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
Kendall County36 mi3,04535.0%2.8 pCi/L
McHenry County47 mi6,47435.1%2.9 pCi/L
Kankakee County49 mi52231.6%2.7 pCi/L

Nearby

Radon professionals nearest Barrington

More radon professionals in BarringtonMore radon professionals in Illinois

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