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About:
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Over checklists updated December 2, 2019This directory site consists of a listing of Pennsylvania authorized: Certified individuals Certified companies DEP listed testing firm employees All DEP-listed Testing Company Workers have an ID number in the 8000 collection DEP-listed mitigation firm employees 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 noted below.
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