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About:
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Over lists upgraded December 2, 2019This directory site has a listing of Pennsylvania accepted: Certified people Certified companies DEP detailed screening firm staff members All DEP-listed Testing Company Employees have an ID number in the 8000 series DEP-listed mitigation firm workers All DEP-listed Mitigation Company Workers have an ID number in the 7000 series The coding description for the different types of radon test devices is noted below.
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