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About:
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Over listings updated December 2, 2019This directory site includes a listing of Pennsylvania authorized: Certified individuals Certified companies DEP detailed testing firm workers All DEP-listed Testing Firm Staff Members have an ID number in the 8000 series DEP-listed reduction firm staff members All DEP-listed Mitigation Company Employees have an ID number in the 7000 series The coding summary for the various kinds of radon examination tools is noted below.
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