Listed for: Mitigation
Licenses on file: see the profile
ProfessionalsBusiness profile
Arcadis US, Inc
Highlands Ranch, Colorado. Testing
1 Florida state license verified against the Florida Department of Health, Radon Program list, last checked November 3, 2026.
Credentials
Licenses and certifications
1 credential is on file for this business, exactly as the issuer's list printed it.
These are Florida licenses, and the business address is in Colorado.
Radon411 has no Colorado record for this business. Before hiring it for a home in Colorado, check what Colorado asks for. What Colorado requires
Florida state license (1)
Issued by the Florida Department of Health, Radon Program, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026.
| License | Number | Status on the list | Expires | Verified | Check with the issuer |
|---|---|---|---|---|---|
| Testing license | No. Not published | Florida certified radon measurement business | Expires October 19, 2027 | Verified November 3, 2026 | Verify with the Florida Department of Health, Radon Program (opens in a new tab) |
Licensing in Colorado
Colorado's radon program says the state licenses or certifies radon professionals.
Colorado's radon program, Colorado Department of Public Health and Environment.
What Colorado requires, in its program’s own words, and how to check a credential
Radon figures
Radon in Colorado
CDC publishes radon testing by county, and Highlands Ranch is not a place its county figures resolve to, so the figures here are Colorado's: pooled across 63 counties, 47.0% of the 96,367 radon tests reported to CDC, 2008 to 2017, laboratory, were at or above 4 pCi/L; 50 counties have 30 or more tests for that period.
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