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

§ 4.1 — New Lenox, IL

Certified radon testing in New Lenox, IL

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

Last verified August 29, 2026. Methodology IL IEMA.

Certified radon testingCertified radon mitigation

  1. Corn, Joshua

    Precision Environmental Services

    current IL IEMA № RNI20253285

    testing

    708-625-4488August 29, 2026cite ↗

  2. Duncan, Donald

    Precision Environmental Services

    current IL IEMA № RNIT20253239

    testing

    708-625-4488August 29, 2026cite ↗

  3. Freitag, Tyler

    Precision Environmental Services

    current IL IEMA № RNIT20242634

    testing

    708-625-4488August 29, 2026cite ↗

  4. Hewitt, Harold

    Precision Environmental Services

    current IL IEMA № RNIT20253065

    testing

    708-625-4488August 29, 2026cite ↗

  5. Robles, Jose

    Precision Environmental Services

    current IL IEMA № RNIT20242877

    testing

    708-625-4488August 29, 2026cite ↗
Fig. 4 — New Lenox, IL, 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 Illinois

Illinois IEMA licenses radon measurement and mitigation professionals and technicians. The people below appear on the active licensee listing we imported. Read the methodology. Credential status can change.