§ 4.1 — Johnson County, KS
Certified radon mitigation in Johnson County, KS
9 current listings from the official file. Verify the credential number before you hire.
Certified radon testingCertified radon mitigation
Connell, James
current KS KDHE № KS-MS-0218 / KS-MI-0078
Demuth, Donald
current KS KDHE № KS-MS-0597 / KS-MI-0245
Hodgden, Gary
current KS KDHE № KS-MS-0067 / KS-MI-0019
Hodgden, Wesley
current KS KDHE № KS-MS-0115 / KS-MI-0035
Kubas, Michael
current KS KDHE № KS-MS-0118 / KS-MI-0038
August 29, 2026cite ↗Mantych, Jason
current KS KDHE № KS-MS-0339 / KS-MI-0125
Sadler, Christopher
current KS KDHE № KS-MS-0352 / KS-MI-0133
Thompson, Andrew
current KS KDHE № KS-MS-0608 / KS-MI-0246
Zeiler, Richard
current KS KDHE № KS-MI-0258
August 29, 2026cite ↗
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 Kansas
- Wyandotte County, KS
- Miami County, KS
- Douglas County, KS
- Shawnee County, KS
- Geary County, KS
- Riley County, KS
- Labette County, KS
- Clay County, KS
Kansas KDHE certifies radon measurement and mitigation technicians. The people below appear on the certified technician PDF we imported, listed under the county of the business address on that file. Read the methodology. Credential status can change.