WTC OSHA Asbestos Sampling Data for D2
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Permissible Exposure Limit (PEL): 0.1 fiber/cubic centimeter as an 8-hr time weighted average.
Excursion Limit: 1 fiber/cubic centimeter over a 30-minute period.

DATE Location # of Samples Sample Type Fibers /cc
9/16 Water & Wall to Beekman & Pearl Streets 1 Personal 0.006


DATE Location # of Samples Sample Type Fibers /cc TEM fibers/cc
9/17 South St. to Pearl & Water St. 2 Personal 0.003 none