Larry Test Radon
Bloomingdale, IL
Listed for: Testing
Verified:Illinois state license
ProfessionalsBusiness profile
Bloomingdale, Illinois. Testing
1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.
1 Kansas state license verified against the Kansas Department of Health and Environment, Kansas Radon Program list, last checked October 4, 2026.
1 Minnesota state license verified against the Minnesota Department of Health list, last checked November 3, 2026.
1 Ohio state license verified against the Ohio Department of Health, Radon Education and Licensing Program list, last checked November 3, 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. RNI2021205 | Measurement Professional | Verified November 11, 2026 | Verify RNI2021205 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
Issued by the Kansas Department of Health and Environment, Kansas Radon Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. KS-MS-0650 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0650 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
Issued by the Minnesota Department of Health, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RMEA-00495 | Minnesota radon measurement license | Verified November 3, 2026 | Verify RMEA-00495 with the Minnesota Department of Health (opens in a new tab) |
Issued by the Ohio Department of Health, Radon Education and Licensing Program, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026.
| License | Number | Status on the list | Expires | Verified | Check with the issuer |
|---|---|---|---|---|---|
| Testing license | No. RT1732 | Ohio licensed radon tester | Expires April 29, 2028 | Verified November 3, 2026 | Verify RT1732 with the Ohio Department of Health, Radon Education and Licensing Program (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
Bloomingdale 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 Bloomingdale 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
Bloomingdale, IL
Listed for: Testing
Verified:Illinois state license
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
Listed for: Testing
Verified:Illinois state license
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