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

§ 4.1 — Bloomington, MN

Certified radon mitigation in Bloomington, MN

4 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. Allison Mastenbrook

    Landmark Environmental

    current MN MDH № RMIT-00138

    mitigation, testing

    (651) 295-9400August 29, 2026cite ↗

  2. Benjamin Fedje

    Braun Intertec Corporation

    current MN MDH № RMIT-00124

    mitigation, testing

    (952) 995-2000August 29, 2026cite ↗

  3. Bradford Schwie

    Barr Engineering Co

    current MN MDH № RMIT-00096

    mitigation, testing

    (952) 842-3590August 29, 2026cite ↗

  4. Bradley Schmidt

    Braun Intertec Corporation

    current MN MDH № RMIT-00101

    mitigation, testing

    (952) 995-2000August 29, 2026cite ↗
Fig. 4 — Bloomington, 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.