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Safe Shelter Environmental

West Chester, Pennsylvania. Testing and mitigation

4 Pennsylvania state licenses verified against the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection list, last checked November 3, 2026.

Credentials

Licenses and certifications

4 credentials are on file for this business, each exactly as the issuer's list printed it.

Pennsylvania state licenses (4)

Issued by the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Mitigation licenseNo. 0207DEP certified radon mitigation firmVerified November 3, 2026Verify 0207 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Mitigation licenseNo. 3525DEP certified radon mitigation firmVerified November 3, 2026Verify 3525 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 0207DEP certified radon testing firmVerified November 3, 2026Verify 0207 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 3525DEP certified radon testing firmVerified November 3, 2026Verify 3525 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)

Licensing in Pennsylvania

Pennsylvania's radon program says the state licenses or certifies radon professionals.

Radon Division, Department of Environmental Protection, 800-237-2366.

What Pennsylvania requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in West Chester

West Chester lies in Chester County, where 24.0% of 6,770 radon tests reported to CDC (2020) were at or above 4 pCi/L, 6.3 points below Pennsylvania pooled (30.3%), 55th of 63 Pennsylvania counties with 30 or more tests.

Radon test figures for the county West Chester lies in
CountyTestsAt or above 4 pCi/LMedianPennsylvania, pooledRank in the stateEPA zone
Chester County6,77024.0%2.0 pCi/L30.3%55 of 63Zone 1

Shares of tests people chose to run and report, by county (2020); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around West Chester

Around Chester County, where West Chester lies, the nearest Pennsylvania counties with a CDC figure for 2020 run from 10.6% to 43.3% of tests at or above 4 pCi/L; the closest, Delaware County, is 19 miles away at 14.7%.

The nearest Pennsylvania counties to Chester County with 30 or more tests, 2020
CountyDistanceTestsAt or above 4 pCi/LMedian
Delaware County19 mi6,04114.7%1.8 pCi/L
Montgomery County26 mi10,50821.8%2.0 pCi/L
Lancaster County27 mi4,39843.3%3.0 pCi/L
Berks County32 mi2,63239.6%2.9 pCi/L
Philadelphia County33 mi8,44210.6%1.7 pCi/L
Bucks County42 mi7,06623.2%2.0 pCi/L

Nearby

Radon professionals nearest West Chester

More radon professionals in West ChesterMore radon professionals in Pennsylvania

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