TCO Radon
Asbury, IA
Listed for: TestingMitigation
Verified:Iowa state license
Call TCO Radon at (563) 451-8575No website listed
ProfessionalsBusiness profile
RAM Services
Sherrill, Iowa. Testing and mitigation
1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.
2 Iowa state licenses 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 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.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Mitigation license | No. RNM2014201 | Mitigation Professional | Verified November 11, 2026 | Verify RNM2014201 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
Iowa state licenses (2)
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.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Mitigation license | No. RNMIT09094 | Credentialed Radon Mitigation Specialist | Verified November 3, 2026 | Verify RNMIT09094 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
| Testing license | No. RNTST09090 | Certified Radon Measurement Specialist | Verified November 3, 2026 | Verify RNTST09090 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
Licensing in Iowa
Iowa's radon program says the state licenses or certifies radon professionals.
Iowa HHS Radon Program, Iowa Department of Health and Human Services, (515) 281-4928.
What Iowa requires, in its program’s own words, and how to check a credential
Local radon figures
Radon in Sherrill
Sherrill lies in Dubuque County, where 46.8% of 3,775 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 11.7 points below Iowa pooled (58.5%), 82nd of 99 Iowa counties with 30 or more tests.
Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.
The counties around Sherrill
Around Dubuque County, where Sherrill lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 39.7% to 62.6% of tests at or above 4 pCi/L; the closest, Delaware County, is 25 miles away at 50.0%.
Nearby
Radon professionals nearest Sherrill
- View profile for TCO Radon
Listed for: Testing
Verified:Iowa state license
Listed for: Testing
Verified:Iowa state license
Call Dubuqueland Home Inspection at (563) 556-4663No website listedListed for: TestingMitigation
Verified:Iowa state license
Call Ruff Home Services at (563) 581-7057No website listedListed for: Testing
Verified:Iowa state license
Call Home Sweet Home Inspection at (563) 687-2470No website listedListed for: Testing
Verified:Iowa state license
More radon professionals in SherrillMore radon professionals in Iowa
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