NYC-WTC_000220310

NYC 9/11 Public Portal Document

Sei; Job #: 201092440 P i 01 4

Client Name: Tola! Safety Consulting, LLC Phase Contrast Microscopy Fiber Results Turner Construction ; Area 4/1 / Ambient Flow Air Fiber Fibers SciLab Client Date pjjj. Duration Filtered Density Cone. Fields Fibeis TWA Sample # Sample # / Location Collected (iiters/min.-) (min.) (liters) (?ibers/mm^ ) (Fibcrs/cc)

01 FM09190I-0i 9/19/01 5S S70 100 3 3.82 < 0.003 Area #1 Ambient 02 FM091901-02 9/19/0! 11 .58 638 100 5 0.37 < 0.004 Area#! Ambient 03 FM09I901-03 9/19/01 0 0 C ICO 0.5 0.64 Field Blank Foctnote.s; / 04 rM091901-04 9/19/0! 0 0 100 0.5 0.64 Field Blank Footnotes: / 05 FM091901-05 9/19/01 8.5 100 7 S.92 0.003 Area #2 Ambient 06 FY09i90i-06 9/19/0! S5 935 ICO 4 5.10 < 0.003 Area #2 Ambient 07 FM09! 901-07 9/19/01 0 0 0 100 0.5 0.64 Field Blank rontnote.s: / 08 FMO9I901-O8 9/19/01 0 0 ICO 0.5 0.64 Field Blank Footnotc.s: / 09 FM09I901-09 9/19/01 15 60 900 100 7 8.92 0.004 Area #3 Ambient 10 FM09190I-10 9/19/01 II 60 660 100 4 5.10 < 0.004 Area #3 Ambient 11 FM091901-11 9/19/01 0 0 0 100 0,5 0.64 Field Blank Footnotes: / 12 FM091901-12 9/19/01 0 0 n 100 0.5 0.64 -I H Field Blank Footnotes: / 13 FM091901-13 9/19/01 15 60 900 100 10 12.74 0.00.5 to Area ff4 Ambient s o 14 FM09I901-14 9/19/01 11 60 660 ICO 8 10.19 0.C06 o o Area #4 Ambient I o 15 FM091901-15 9/19/01 0 C 0 100 0..5 0.64 to Field Blank Footnotes: / co Ui o

NYC-WTC_000220310