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

§ 4.1 — Lancaster County, PA

Certified radon mitigation in Lancaster County, PA

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

Last verified August 29, 2026. Methodology PA DEP.

Certified radon testingCertified radon mitigation

  1. Fritsch, Andrew

    current PA DEP № 3541

    mitigation

    (717) 949-2011August 29, 2026cite ↗

  2. Hoffman, Elliot

    Rjh Radon Mitigat

    current PA DEP № 3058

    mitigation

    (717) 859-6996August 29, 2026cite ↗

  3. Jk Mechanical Inc

    current PA DEP № 3748

    mitigation

    (717) 464-0111August 29, 2026cite ↗

  4. Rjh Radon Mitigation Inc

    current PA DEP № 0565

    mitigation

    (717) 859-6996August 29, 2026cite ↗

  5. Salvatore, Alexander-jk Mechanical

    current PA DEP № 7729

    mitigation

    (717) 464-0111August 29, 2026cite ↗

  6. Salvatore, Andrew-jk Mechanical Inc

    current PA DEP № 7730

    mitigation

    (717) 464-0111August 29, 2026cite ↗

  7. Sauder, Keith-rjh Radon Mitigation

    current PA DEP № 7582

    mitigation

    (717) 859-6996August 29, 2026cite ↗

  8. Shimp, Brian

    Jk Mechanical Inc

    current PA DEP № 3747

    mitigation, testing

    (717) 464-0111August 29, 2026cite ↗
Fig. 4 — Lancaster County, PA, approximate. Pin is the county 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 Pennsylvania

Pennsylvania DEP certifies individuals and firms that test or mitigate radon. The people below appear as currently certified on the DEP Radon Services Directory we imported. Read the methodology. Credential status can change.