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

§ 4.1 — Delaware County, PA

Certified radon testing in Delaware County, PA

12 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. Bednar, Jr., Michael

    current PA DEP № 3740

    testing

    (610) 710-9450August 29, 2026cite ↗

  2. Boro Environmental, Inc.

    current PA DEP № 0125

    testing

    (610) 715-9034August 29, 2026cite ↗

  3. Bruno, Rob

    Boro Environmental, In

    current PA DEP № 0126

    testing

    (610) 586-5640August 29, 2026cite ↗

  4. Bruno, Ron

    Boro Environmental, In

    current PA DEP № 8023

    testing

    (610) 586-5640August 29, 2026cite ↗

  5. Dreisbach, Jack

    Homepro Systems O

    current PA DEP № 8736

    testing

    (610) 328-5525August 29, 2026cite ↗

  6. Fiorelli, Stephen J.

    current PA DEP № 1609

    testing

    (610) 583-4738August 29, 2026cite ↗

  7. Guttschall, Brian

    Boro Environmen

    current PA DEP № 8541

    testing

    (610) 586-5640August 29, 2026cite ↗

  8. Hunt, Jeffrey

    current PA DEP № 3022

    testing

    (302) 467-0699August 29, 2026cite ↗

  9. Knell, Jon

    current PA DEP № 3699

    testing

    (484) 442-0424August 29, 2026cite ↗

  10. Novack, Gary

    Boro Environmental,

    current PA DEP № 9123

    testing

    (610) 715-9034August 29, 2026cite ↗

  11. Peda, Dominick

    current PA DEP № 2624

    testing

    (610) 891-6611August 29, 2026cite ↗

  12. Spoehr, Jr, Eugene

    current PA DEP № 1915

    testing

    (610) 328-5525August 29, 2026cite ↗
Fig. 4 — Delaware 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.