§ 4.1 — Saint Louis, IL
Certified radon testing in Saint Louis, IL
1 current listing from the official file. Verify the credential number before you hire.
Certified radon testingCertified radon mitigation
Frost, William
current IL IEMA № RNI2018227
Appendix A — Before you hire
- Who holds the credential, and can they show the same number that appears on this page?
- What test method or mitigation system will they use for this building?
- How will they document results or the finished system?
§ 4.3
Nearby places in Illinois
- Addison, IL
- Algonquin, IL
- Alton, IL
- Arlington Heights, IL
- Aurora, IL
- Barrington, IL
- Batavia, IL
- Belleville, IL
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.