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

§ 4.1 — Belgrade, MT

Certified radon testing in Belgrade, MT

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

Last verified August 29, 2026. Methodology NRPP. NRSB.

Certified radon testingCertified radon mitigation

  1. Ian J White

    Bozeman Radon

    current NRPP № 115726

    mitigation, testing

    (406) 404-6835August 29, 2026cite ↗

  2. Jeffrey M Squire

    Bozeman Radon

    current NRPP № 115697

    mitigation, testing

    (406) 404-6835August 29, 2026cite ↗

  3. Phillip R. Smith

    Cornerstone Transformations Inspection

    current NRSB № RMS-25MS052

    testing

    August 29, 2026cite ↗
Fig. 4 — Belgrade, MT, 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 Montana

Montana pages here use current NRPP or NRSB certifications. City pages use the city printed on that record, not a ZIP-radius search. A national certification is not a Montana license. Some states require a separate state credential to work legally. Read the methodology. Credential status can change.