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Certified Environmental Contractors

Freehold, New Jersey. Testing and laboratory

8 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

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

These are Pennsylvania licenses, and the business address is in New Jersey.

Radon411 has no New Jersey record for this business. Before hiring it for a home in New Jersey, check what New Jersey asks for. What New Jersey requires

Pennsylvania state licenses (8)

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
Testing licenseNo. 3411DEP certified radon testing firmVerified November 3, 2026Verify 3411 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 3686DEP certified radon testing firmVerified November 3, 2026Verify 3686 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 9088DEP certified radon testing firmVerified November 3, 2026Verify 9088 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 9092DEP certified radon testing firmVerified November 3, 2026Verify 9092 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 9137DEP certified radon testing firmVerified November 3, 2026Verify 9137 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Testing licenseNo. 9141DEP certified radon testing firmVerified November 3, 2026Verify 9141 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Laboratory licenseNo. 3411DEP certified radon laboratoryVerified November 3, 2026Verify 3411 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)
Laboratory licenseNo. 3686DEP certified radon laboratoryVerified November 3, 2026Verify 3686 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)

Licensing in New Jersey

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

Radon Section, New Jersey Department of Environmental Protection, 800-648-0394.

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

Local radon figures

Radon in Freehold

Freehold lies in Monmouth County, where 9.8% of 9,745 radon tests reported to CDC (2022) were at or above 4 pCi/L, 0.1 points above New Jersey pooled (9.7%), 9th of 21 New Jersey counties with 30 or more tests.

Radon test figures for the county Freehold lies in
CountyTestsAt or above 4 pCi/LMedianNew Jersey, pooledRank in the stateEPA zone
Monmouth County9,7459.8%0.7 pCi/L9.7%9 of 21Zone 1

Shares of tests people chose to run and report, by county (2022); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Freehold

Around Monmouth County, where Freehold lies, the nearest New Jersey counties with a CDC figure for 2022 run from 1.8% to 15.4% of tests at or above 4 pCi/L; the closest, Middlesex County, is 16 miles away at 7.3%.

The nearest New Jersey counties to Monmouth County with 30 or more tests, 2022
CountyDistanceTestsAt or above 4 pCi/LMedian
Middlesex County16 mi9,5947.3%0.8 pCi/L
Mercer County25 mi6,37010.6%0.9 pCi/L
Ocean County26 mi2,6041.8%0.5 pCi/L
Union County28 mi6,1115.1%0.9 pCi/L
Somerset County30 mi7,67915.4%1.2 pCi/L
Hudson County34 mi2,6553.4%0.5 pCi/L

Nearby

Radon professionals nearest Freehold

More radon professionals in FreeholdMore radon professionals in New Jersey

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