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Precision Inspection Group

Crest Hill, Illinois. Testing

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

Call Precision Inspection Group at (708) 969-6017

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
Testing licenseNo. RNI20263342Measurement ProfessionalVerified November 11, 2026Verify RNI20263342 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 Crest Hill

Crest Hill lies in Will County, where 40.0% of 10,776 radon tests reported to CDC (2017) were at or above 4 pCi/L, 6.3 points above Illinois pooled (33.7%), 42nd of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Crest Hill lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Will County10,77640.0%3.1 pCi/L33.7%42 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 Crest Hill

Around Will County, where Crest Hill lies, the nearest Illinois counties with a CDC figure for 2017 run from 19.4% to 36.6% of tests at or above 4 pCi/L; the closest, Kankakee County, is 22 miles away at 31.6%.

The nearest Illinois counties to Will County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Kankakee County22 mi52231.6%2.7 pCi/L
Grundy County25 mi39032.3%2.4 pCi/L
Kendall County25 mi3,04535.0%2.8 pCi/L
Cook County29 mi26,93719.4%1.9 pCi/L
DuPage County29 mi19,40133.7%2.7 pCi/L
Kane County41 mi8,68236.6%2.8 pCi/L

Nearby

Radon professionals nearest Crest Hill

More radon professionals in Crest HillMore radon professionals in Illinois

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