WTC OSHA Asbestos Sampling Data for C2

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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
9-14 City Hall to WTC 1 Personal 0.006
9-15 Wall & Hanover to Fulton & FDR S. to Park Row & Frankfort St 1 Personal 0.0032


DATE Location Sample Type Fibers/cc TEM fibers/cc
9-18 West Broadway & Barclay to Church & William Personal 0.041 none
9-20 Corner of John St. & Broadway Area 0.009 <0.005
9-21 West Fulton & Church Area <0.004