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About:
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Over lists updated December 2, 2019This directory site contains a listing of Pennsylvania approved: Qualified individuals Qualified firms DEP provided testing company employees All DEP-listed Checking Firm Employees have an ID number in the 8000 collection DEP-listed mitigation firm employees All DEP-listed Mitigation Firm Employees have an ID number in the 7000 series The coding description for the different types of radon test tools is detailed below.
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