Listed for: Mitigation
Verified:Illinois state license
Call 618 Construction services LLC at (618) 438-1694No website listed
ProfessionalsBusiness profile
Clay's Home Inspections
East Dubuque, Illinois. Testing
1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked October 4, 2026.
1 Iowa state license verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked October 4, 2026.
Credentials
Licenses and certifications
2 credentials are on file for this business, each exactly as the issuer's list printed it.
Illinois state license (1)
Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNI2021214 | Measurement Professional | Verified October 4, 2026 | Verify RNI2021214 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
Iowa state license (1)
Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNTST10146 | Certified Radon Measurement Specialist | Verified October 4, 2026 | Verify RNTST10146 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
Licensing in Illinois
Illinois's radon program says the state licenses or certifies radon professionals.
The Agency also licenses and regulates the individuals who provide radon measurement and mitigation to the public.
IEMA-OHS Radon Program
Illinois Emergency Management Agency and Office of Homeland Security
Its page covers who may test and fix radon in the state and the disclosure rule for home sales.
Phone (800) 325-1245
Visit the program's page (opens in a new tab)Read October 3, 2026
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