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

§ 4.1 — Galloway, OH

Certified radon mitigation in Galloway, OH

6 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. Adam Bottomley

    Swat Environmental

    current NRSB № RRS-26RS002

    mitigation

    262-754-2211August 29, 2026cite ↗

  2. Cameron Christophel

    Swat Environmental

    current NRSB № RRS-26RS006

    mitigation

    262-754-2211August 29, 2026cite ↗

  3. Chase McGath

    Swat Environmental

    current NRSB № RRS-24RS014

    mitigation

    262-754-2211August 29, 2026cite ↗

  4. Mark Wade

    Swat Environmental

    current NRSB № RRS-25RS013

    mitigation

    262-754-2211August 29, 2026cite ↗

  5. Ricky Brown

    Swat Environmental

    current NRSB № RRS-25RS014

    mitigation

    262-754-2211August 29, 2026cite ↗

  6. Tevis Sylvester

    Swat Environmental

    current NRSB № RRS-25RS004

    mitigation

    262-754-2211August 29, 2026cite ↗
Fig. 4 — Galloway, OH, 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 Ohio

Ohio 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 Ohio license. Some states require a separate state credential to work legally. Read the methodology. Credential status can change.