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WTC OSHA Asbestos Sampling Data for A3

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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 Location Sample
Type		 Fibers/cc TEM
fibers/cc
9/19 Albany & Greenwich to Pedestrian Bridge Personal 0.011 <0.003
9/19 Liberty & West to Albany & Greenwich to Pedestrian Bridge Personal 0.011 <0.003
9/19 West St. under South Gate Area 0.008 <0.004
9/19 Albany & West (median) Area 0.007 <0.004
9/19 Liberty & West Area 0.009 <0.004
9/19 West Broadway & Barclay to Church & Greenwich & Liberty to Albany to Cedar Personal 0.014 <0.004
9/19 Broadway & Barclay to Church & Greenwich & Liberty to Albany to Cedar Personal 0.014 <0.004
9/20 West & Liberty (debris pile -on firemen) Personal *overload only TEM provided <0.005
9/20 Liberty & West St Stationed at S. Gate House Personal 0.029 0.007
9/20 SW corner of Liberty &West St (by south bridge) Area 0.016 <0.004
9/20 West St. & Albany, Albany to Liberty St., Liberty St. to Washington Personal .024-.027 <0.006-0.010
9/20 West St. & Albany, Albany to Liberty St., Liberty St. to Washington Personal .008-.035 <0.005
9/20 West St. & Albany, Albany to Liberty St., Liberty St. to Washington Personal 0.012-0.027 <.004-<.008
9/23 Liberty & West Area ND  
9/23 Liberty & West Area 0.007 <0.005
9/23 Liberty & West Area 0.032 <0.009


DATE [Sample#] Location/task Sample Type Duration (mins) Fibers/cc TEM (f/cc)
9/25 Liberty & West(Hot Zone) Area 140 ND  
9/26 (Hot Zone) Bulk   ND  


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