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From PDHengineer. com-Decatur Professional Development, LLC
UV Lamps in Air Circulating Ductwork
... Of UV Lamps Installed In Circulating Air Ductwork", ARTI-21CR/610-40030-01-November 2002 published by the US Department of Commerce, National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161 (703-487-4650). The student must take a multiple-choice quiz consisting of twenty (20) questions at the end of this course to obtain PDH credits. Specific Knowledge or
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... Of UV Lamps Installed In Circulating Air Ductwork", ARTI-21CR/610-40030-01-November 2002 published by the US Department of Commerce, National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161 (703-487-4650). The student must take a multiple-choice quiz consisting of twenty (20) questions at the end of this course to obtain PDH credits. Specific Knowledge or
more...
