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Mark Zlotnick Construction

Ashby, Minnesota. Testing and mitigation

2 Minnesota state licenses verified against the Minnesota Department of Health list, last checked November 3, 2026.

Credentials

Licenses and certifications

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

Minnesota state licenses (2)

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.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Mitigation licenseNo. RMITS-00044Minnesota radon mitigation licenseVerified November 3, 2026Verify RMITS-00044 with the Minnesota Department of Health (opens in a new tab)
Testing licenseNo. RMITS-00044Minnesota radon measurement licenseVerified November 3, 2026Verify RMITS-00044 with the Minnesota Department of Health (opens in a new tab)

Licensing in Minnesota

Minnesota's radon program says the state licenses or certifies radon professionals.

MDH Indoor Air Unit, MN Dept. of Health, 651-201-4601.

What Minnesota requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in Ashby

Ashby lies in Grant County, where 63.2% of 144 radon tests reported to CDC (2005 to 2014, laboratory) were at or above 4 pCi/L, 19.0 points above Minnesota pooled (44.2%), 32nd of 87 Minnesota counties with 30 or more tests.

Radon test figures for the county Ashby lies in
CountyTestsAt or above 4 pCi/LMedianMinnesota, pooledRank in the stateEPA zone
Grant County14463.2%5.2 pCi/L44.2%32 of 87Zone 1

Shares of tests people chose to run and report, by county (2005 to 2014, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Ashby

Around Grant County, where Ashby lies, the nearest Minnesota counties with a CDC figure for 2005 to 2014, laboratory run from 37.2% to 69.4% of tests at or above 4 pCi/L; the closest, Stevens County, is 24 miles away at 63.5%.

The nearest Minnesota counties to Grant County with 30 or more tests, 2005 to 2014, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Stevens County24 mi25263.5%5.3 pCi/L
Traverse County25 mi8569.4%5.4 pCi/L
Douglas County27 mi1,52060.7%5.0 pCi/L
Otter Tail County36 mi54255.4%4.4 pCi/L
Pope County36 mi83148.5%3.9 pCi/L
Wilkin County37 mi7837.2%3.1 pCi/L

Nearby

Radon professionals nearest Ashby

More radon professionals in AshbyMore radon professionals in Minnesota

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