§ 4.1 — Riley County, KS

Certified radon mitigation in Riley County, KS

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

Last verified August 29, 2026. Methodology KS KDHE.

Certified radon testingCertified radon mitigation

  1. Adams, Chris

    D & I Plumbing Heating & Air

    current KS KDHE KS-MS-0175 / KS-MI-0060

    mitigation, testing

    August 29, 2026cite ↗
  2. Celmer, Craig

    Hdh Radon

    current KS KDHE KS-MS-0038 / KS-MI-0008

    mitigation, testing

    785-539-2596August 29, 2026cite ↗
Fig. 4Riley County, KS, 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 Kansas

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.