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Marcus Lumber Co.

Marcus, 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 Marcus Lumber Co. at (712) 376-4141Visit website of Marcus Lumber Co. (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. RNMIT10054Credentialed Radon Mitigation SpecialistVerified November 3, 2026Verify RNMIT10054 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)
Testing licenseNo. RNTST10080Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10080 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 Marcus

Marcus lies in Cherokee County, where 74.5% of 795 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 16.0 points above Iowa pooled (58.5%), 13th of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Marcus lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Cherokee County79574.5%7.6 pCi/L58.5%13 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 Marcus

Around Cherokee County, where Marcus lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 69.2% to 82.3% of tests at or above 4 pCi/L; the closest, O'Brien County, is 24 miles away at 81.7%.

The nearest Iowa counties to Cherokee County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
O'Brien County24 mi65281.7%8.9 pCi/L
Buena Vista County24 mi68872.1%6.9 pCi/L
Ida County25 mi39971.7%7.4 pCi/L
Plymouth County30 mi1,40582.3%8.6 pCi/L
Woodbury County32 mi3,54169.2%6.1 pCi/L
Clay County34 mi74479.4%9.6 pCi/L

Nearby

Radon professionals nearest Marcus

More radon professionals in MarcusMore radon professionals in Iowa

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