Certified radon testers & mitigatorsKansas — mitigation — verified 29 Aug 2026

§ 4.1 — Shawnee County, KS

Certified radon mitigation in Shawnee County, KS

3 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. Dahlby, Roger

    Advanced Environmental Services Inc

    current KS KDHE № KS-MS-0104 / KS-MI-0030

    mitigation, testing

    785-231-9324August 29, 2026cite ↗

  2. Howell, Lacey

    Howell Radon Inc Dba Howell Healthy Homes

    current KS KDHE № KS-MS-0344 / KS-MI-0128

    mitigation, testing

    August 29, 2026cite ↗

  3. Purcell, Anthony

    Heartland Radon Solutions

    current KS KDHE № KS-MS-0337 / KS-MI-0124

    mitigation, testing

    7852249441August 29, 2026cite ↗
Fig. 4 — Shawnee 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.