WTC OSHA Asbestos Sampling Data for D4

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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
9/13 32 Old Slip to Daiwa Securities 5 Personal 0.003-0.004
9/13 55 Water St. 1 Personal 0.003
9/13 Old Slip & Water St. 1 Personal 0.004
9/16 William to Water St. to Exchange Area 1 Personal 0.004