Listed for: Testing
Verified:Ohio state license
Call 1st Inspection Services at (937) 684-9544No website listed
ProfessionalsBusiness profile
Environmental Doctor
Dayton, Ohio. Testing and mitigation
12 Ohio state licenses verified against the Ohio Department of Health, Radon Education and Licensing Program list, last checked October 4, 2026.
Credentials
Licenses and certifications
12 credentials are on file for this business, each exactly as the issuer's list printed it.
Ohio state licenses (12)
Issued by the Ohio Department of Health, Radon Education and Licensing Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026.
| License | Number | Status on the list | Expires | Verified | Check with the issuer |
|---|---|---|---|---|---|
| Mitigation license | No. RC98 | Ohio licensed radon mitigation contractor | Expires April 29, 2027 | Verified October 4, 2026 | Verify RC98 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS189 | Ohio licensed radon mitigation specialist | Expires April 29, 2027 | Verified October 4, 2026 | Verify RS189 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS253 | Ohio licensed radon mitigation specialist | Expires June 24, 2028 | Verified October 4, 2026 | Verify RS253 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS306 | Ohio licensed radon mitigation specialist | Expires June 10, 2027 | Verified October 4, 2026 | Verify RS306 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS524 | Ohio licensed radon mitigation specialist | Expires June 21, 2028 | Verified October 4, 2026 | Verify RS524 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS530 | Ohio licensed radon mitigation specialist | Expires September 18, 2028 | Verified October 4, 2026 | Verify RS530 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS589 | Ohio licensed radon mitigation specialist | Expires August 26, 2027 | Verified October 4, 2026 | Verify RS589 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS653 | Ohio licensed radon mitigation specialist | Expires May 26, 2027 | Verified October 4, 2026 | Verify RS653 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS679 | Ohio licensed radon mitigation specialist | Expires March 18, 2028 | Verified October 4, 2026 | Verify RS679 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Mitigation license | No. RS768 | Ohio licensed radon mitigation specialist | Expires June 16, 2028 | Verified October 4, 2026 | Verify RS768 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Testing license | No. RT1886 | Ohio licensed radon tester | Expires December 14, 2026 | Verified October 4, 2026 | Verify RT1886 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
| Testing license | No. RT2100 | Ohio licensed radon tester | Expires October 28, 2027 | Verified October 4, 2026 | Verify RT2100 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab) |
Licensing in Ohio
Ohio's radon program says the state licenses or certifies radon professionals.
This program licenses companies and persons directly involved with the radon testing and mitigation industry.
Radon Education and Licensing Program
Ohio Department of Health
Its page covers free or discounted test kits and who may test and fix radon in the state.
Phone 614-728-0272 · Email indoor.radon@odh.ohio.gov
Visit the program's page (opens in a new tab)Read October 3, 2026
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