Listed for: Testing
Verified:Iowa state license
ProfessionalsBusiness profile
Malcom, Iowa. Testing
1 Iowa state license verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked November 3, 2026.
Credentials
1 credential is on file for this business, exactly as the issuer's list printed it.
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 |
|---|---|---|---|---|
| Testing license | No. RNTST10140 | Certified Radon Measurement Specialist | Verified November 3, 2026 | Verify RNTST10140 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
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
Malcom lies in Poweshiek County, where 70.6% of 419 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 12.1 points above Iowa pooled (58.5%), 27th 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.
Around Poweshiek County, where Malcom lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 59.2% to 73.3% of tests at or above 4 pCi/L; the closest, Iowa County, is 24 miles away at 59.2%.
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