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About:
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Over listings updated December 2, 2019This directory site includes a listing of Pennsylvania accepted: Certified people Certified companies DEP noted testing firm employees All DEP-listed Examining Firm Employees have an ID number in the 8000 series DEP-listed mitigation company workers All DEP-listed Reduction Company Employees have an ID number in the 7000 series The coding summary for the various kinds of radon examination devices is listed below.
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