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

§ 4.1 — Stonington, ME

Certified radon testing in Stonington, ME

1 current listing from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology ME DHHS.

Certified radon testingCertified radon mitigation

  1. Mda Maintenance Co

    Mda Maintenance Co

    current ME DHHS № SPC292

    testing

    August 29, 2026cite ↗
Fig. 4 — Stonington, ME, 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 Maine

Maine DHHS registers radon service-provider companies. The firms below appear as Active on the official ALMS company search we imported (Test air and Portable lab as testing; Mitigate air as mitigation). Stationary laboratories and supervised employees are not listed here. Read the methodology. Credential status can change.