Listed for: Testing
Verified:Illinois state license
ProfessionalsBusiness profile
Lisle, Illinois. Testing
4 Illinois state licenses verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.
Credentials
4 credentials are on file for this business, each exactly as the issuer's list printed it.
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.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNI20232172 | Measurement Professional | Verified November 11, 2026 | Verify RNI20232172 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
| Testing license | No. RNIT2020206 | Measurement Technician | Verified November 11, 2026 | Verify RNIT2020206 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
| Testing license | No. RNIT20242461 | Measurement Technician | Verified November 11, 2026 | Verify RNIT20242461 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
| Testing license | No. RNIT20242860 | Measurement Technician | Verified November 11, 2026 | Verify RNIT20242860 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
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
Lisle lies in DuPage County, where 33.7% of 19,401 radon tests reported to CDC (2017) were at or above 4 pCi/L, 0.0 points below Illinois pooled (33.7%), 53rd of 70 Illinois counties with 30 or more tests.
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.
Around DuPage County, where Lisle lies, the nearest Illinois counties with a CDC figure for 2017 run from 19.4% to 41.1% of tests at or above 4 pCi/L; the closest, Cook County, is 14 miles away at 19.4%.
Nearby
Listed for: Testing
Verified:Illinois state license
Listed for: Testing
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Downers Grove, IL
Listed for: Testing
Verified:Illinois state license
Listed for: Testing
Verified:Illinois state license
Listed for: Testing
Verified:Illinois state license
Listed for: Testing
Verified:Illinois state license
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