NYC 9/11 Public Portal Document
SciLab Job #: 201093000 Page I of 2.
Client Name: GCI Environmental Advisory, Inc.
Phase Contrast Microscopy (PCM) Fiber Results
NOl-B-4088; Rockrose Development Corp.; 22 River Terrace
Flow Air Fiber Fibers
SciLab Client Date Rate Duration Filtered Fields Fibers Density Conc. TWA
Sample # Sample # / Location Collected (liters/min.) (min.) (liters) (Fibers/mm 2 ) (Fibers/cc)
01 22 1709/25 01 9/25/2001 0 0 0 100 0.5 0.64
Field Blank Footnotes: 1
02 22 1609/25 02 9/25/2001 0 0 0 100 0.5 0.64
Field Blank Footnotes: 1
03 /2503 9/25/2001 15 66 990 100 2 2.55 < 0.003
04 09/25 04 9/25/2001 15 64 960 100 5 6.37 < 0.003
05 09/25 05 9/25/2001 15 121 1815 100 15 19.11 0.004
06 { 09/25 06 9/25/2001 15 62 930 100 2 2.55 <0.003
07 ^I 09/25 07 9/25/2001 15 64 960 100 2 2.55 < 0.003
08 u
09/2508 9/25/2001 15 120 1800 100 29 36.94 0.008
09 09/2509 9/25/2001 15 120 1800 100 2.5 3.18 <0.001
10 109/25 10 9125/2001 15 121 1815 100 5 6.37 <0.001
it 09/2511 9/25/2001 15 86 1290 100 17 21.66 0.006
12 ' 09125 12 912512001 15 84 1260 100 4 5.10 <0.002
13 ;09125 13 9/25/2001 15 84 1260 I00 10 12.74 0.004
NYC-WTC 000120920
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