Certified radon testers & mitigatorsMinnesota — testing — verified 29 Aug 2026

§ 4.1 — Mankato, MN

Certified radon testing in Mankato, MN

5 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology MN MDH.

Certified radon testingCertified radon mitigation

  1. Andrew Kelley

    Radon Solutions

    current MN MDH № RMIT-00010

    mitigation, testing

    (507) 351-2413August 29, 2026cite ↗

  2. Benjamin Olsen

    Iea Inc

    current MN MDH № RMEA-00496

    testing

    (507) 345-8818August 29, 2026cite ↗

  3. Brian Westerlund

    Ameradon Services Llc

    current MN MDH № RMIT-00040

    mitigation, testing

    (507) 318-8094August 29, 2026cite ↗

  4. Cassandra Bowser

    Institute For Environmental Assessment

    current MN MDH № RMEA-00040

    testing

    (507) 345-8818August 29, 2026cite ↗

  5. Ryan Borman

    Institute For Environmental Assessment

    current MN MDH № RMEA-00102

    testing

    (507) 345-8818August 29, 2026cite ↗
Fig. 4 — Mankato, MN, approximate. Pin is the city on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Minnesota

Minnesota MDH licenses radon measurement and mitigation professionals. The people below appear on the MDH Radon Service Providers search we imported (provider type + single-family service type, zip left blank for statewide). Read the methodology. Credential status can change.