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Selgrade Construction, Inc.

Indianola, Iowa. Testing and mitigation

2 Iowa state licenses verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked November 3, 2026.

Call Selgrade Construction, Inc. at (515) 991-9543Visit website of Selgrade Construction, Inc. (opens in a new tab)

Credentials

Licenses and certifications

2 credentials are on file for this business, each exactly as the issuer's list printed it.

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.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Mitigation licenseNo. RNMIT09066Credentialed Radon Mitigation SpecialistVerified November 3, 2026Verify RNMIT09066 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)
Testing licenseNo. RNTST09111Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST09111 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 Indianola

Indianola lies in Warren County, where 66.0% of 1,513 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 7.5 points above Iowa pooled (58.5%), 48th of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Indianola lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Warren County1,51366.0%6.3 pCi/L58.5%48 of 99Zone 1

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 Indianola

Around Warren County, where Indianola lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 39.3% to 67.3% of tests at or above 4 pCi/L; the closest, Madison County, is 24 miles away at 62.3%.

The nearest Iowa counties to Warren County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Madison County24 mi31862.3%6.0 pCi/L
Marion County24 mi1,15167.3%6.0 pCi/L
Clarke County24 mi12045.8%3.5 pCi/L
Polk County24 mi10,94564.4%5.6 pCi/L
Lucas County24 mi8439.3%3.3 pCi/L
Dallas County35 mi2,35258.5%4.9 pCi/L

Nearby

Radon professionals nearest Indianola

More radon professionals in IndianolaMore radon professionals in Iowa

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