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

§ 4.1 — Lake In The Hills, IL

Certified radon testing in Lake In The Hills, IL

2 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. Vizza Sr., Frank

    Apex Radon Detection

    current IL IEMA № RNI2014207

    testing

    847-650-9138August 29, 2026cite ↗

  2. Vizza, Brian

    Apex Radon Detection

    current IL IEMA № RNIT2014218

    testing

    847-650-9138August 29, 2026cite ↗
Fig. 4 — Lake In The Hills, 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.