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

§ 4.1 — Lancaster County, PA

Certified radon testing in Lancaster County, PA

9 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. Angelucci, Thomas

    current PA DEP № 3283

    testing

    (717) 413-4582August 29, 2026cite ↗

  2. Carrozza, Jr., Anthony

    current PA DEP № 2858

    testing

    (717) 490-1126August 29, 2026cite ↗

  3. Haughery, Bill

    Precise Inspecting

    current PA DEP № 3295

    testing

    (717) 808-5997August 29, 2026cite ↗

  4. Haughery, Matt

    Precise Inspecting

    current PA DEP № 8900

    testing

    (717) 808-5997August 29, 2026cite ↗

  5. Muehling, Matthew

    current PA DEP № 2795

    testing

    (717) 330-5658August 29, 2026cite ↗

  6. Precise Inspecting

    current PA DEP № 3445

    testing

    (717) 808-5997August 29, 2026cite ↗

  7. Risk, Douglas

    current PA DEP № 3599

    testing

    (717) 519-7845August 29, 2026cite ↗

  8. Schmidt Iii, Wolfgang

    current PA DEP № 3743

    testing

    (717) 290-6777August 29, 2026cite ↗

  9. 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.