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

§ 4.1 — South St Paul, MN

Certified radon testing in South St Paul, MN

2 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. Samantha Stromback

    Tj Radon

    current MN MDH № RMEA-00440

    testing

    (651) 900-4227August 29, 2026cite ↗

  2. Thomas Stromback

    Tjradon

    current MN MDH № RMITS-00064

    mitigation, testing

    (651) 900-4227August 29, 2026cite ↗
Fig. 4 — South St Paul, 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.