PCM fiber results lab report, Aug 1998

NYC 9/11 Public Portal Document

< jDff: 9h“Uo-59z^ f Client Name; Applied Technology Services, Inc. Phase Contrast Microscopy (PCM) Fiber Results A98113 Flow Air Fiber Fibers SciLab Client Date Rate Duration Filtered Fields Fibers Density Cone. TWA Sample # .Snmnle # / Location Collected (litersZmin.) (min.) (liters) (Fibers/mm^ ) (Fibers/cc)

16 34081198-16 8/11/98 15 120 1800 NA 6th Fl.-Background-At the West Wall Footnotes: 2 17 34081198-17 8/11/98 15 120 1800 100 3 3.82 < 0.001 6th Fl.-Background-Outside the Building 18 34081198-18 8/11/98 15 120 1800 100 1 1.27 < 0.001 7th Fl.-Background-At the North Wall 19 34081198-19 8/11/98 15 120 1800 100 1 1.27 < 0.001 7th R.-Background-At the East Wall 20 34081198-20 8/11/98 15 120 1800 100 2 2.55 < 0.001 7th R.-Background-At the South Wall 21 34081198-21 8/11/98 15 120 1800 100 1 1.27 < 0.001 7th R.-Background-At the West Wall 22 34081198-22 8/11/98 15 120 1800 100 7 8.92 0.002 7th R.-Background-Outside the Building 23 34081198-23 8/11/98 5 210 1050 100 2 2.55 < 0.003 3rd R.-Durings-At the Decon Entrance 24 34081198-24 8/11/98 5 210 1050 100 3 3.82 < 0.003 3id R.-Durings-At the Waste Decon Exit 25 34081198-25 8/11/98 5 210 1050 100 1 1.27 < 0.003 3rd R.-Durings-At the Isolation Barrier 26 34081198-26 8/11/98 5 210 1050 100 4 5.10 < 0.003 3id R.-Durings-10' Away from the Critical 27 34081198-27 8/11/98 5 210 1050 100 1 1.27 < 0.003 o 3rd R.-Durings-At the Exhaust Vent 10' H 28 34081198-28 8/11/98 7 80 560 100 4 5.10 < 0.005 3rd R.-Durings-lnside Tent #2 29 34081198-29 8/11/98 7 80 560 100 0.5 0.64 < 0.005 O 3rd R.-Durings-lnside Tent #2 1^ 30 34081198-30 8/11/98 7 140 980 100 0.5 0.64 < 0.003 O o 3rd R>Dtirings-lnside Tent #3 (-O

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NYC-WTC_000186286