WTC OSHA Asbestos Sampling Data for B4

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Permisissible 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 [Sample#]
Location		 Sample
Type		 Fibers/cc TEM
fibers/cc
9/18 Broadway & Morris Personal 0.012 None
9/21 Broadway & Broadway Area 0.006 <0.005