NYC-WTC_000234302

NYC 9/11 Public Portal Document

^^.cnata V_x-<)nsiilting c kJcrviccs, Inc. 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fax 201 678 1789

Certificate of Analysis Client: Riverpoint, Inc Project Location; WTC, NYC Analysis Date; December 13, 2001 Client#: 101171 Work Area: N/A RCS Project# 178

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/min.] [minutes] [liters] [Fiber/mm"] [Fiber/cc] [Fiber/cc] 4151 011213 Park Place and Church 12/13/01 14.30 45 643.5 6.00 100 7.64 0.005 0.004 4146 021213 Park Place and Greenwich__________ 12/13/01 14.80 45 666.0 5.00 100 6.37 <LOD 0.004 4152 031213 Murray and Church________________ 12/13/01 14.60 45 657.0 6.50 100 8.28 0.005 0.004 4147 041213 Murray and Greenwich_____________ 12/13/01 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 4148 051213 Fulton and Church 12/13/01 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 4153 061213 Warren and North End 12/13/01 14.30 45 643.5 6.00 100 7.64 0.005 0.004 4154 071213 West Street and Warren____________ 12/13/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 4160 081213 Gateway Plaza___________________ 12/13/01 14.70 45 661.5 9.50 100 12.10 0.007 0.004 4161 091213 South End Avenue and Albany 12/13/01 14.70 45 661.5 8.00 100 10.19 0.006 0.004 4162 101213 West and Albany 12/13/01 14.45 45 650.3 6.00 100 7.64 0.005 0.004 4163 111213 Rector Place by park______________ 12/13/01 14.70 45 661.5 3.00 100 3.82 <LOD 0.004 4164 121213 3rd Place and South End and Waterside 12/13/01 14.45 45 650.3 5.00 100 6.37 <LOD 0.004 4165 131213 West end of West Thames__________ 12/13/01 14.70 45 661.5 4.50 100 5.73 <LOD 0.004 4155 141213 Park Place and River Terrace 12/13/01 14.30 45 643.5 6.00 100 7.64 0.005 0.004 4156 151213 River Terrace and Chambers 12/13/01 14.60 45 657.0 3.00 100 3.82 <LOD 0.004 4157 161213 River Terrace and Warren___________ 12/13/01 14.60 45 657.0 5.00 100 6.37 <LOD 0.004 4158 171213 North End and Park Place___________ 12/13/01 14.60 45 657.0 3.00 100 3.82 <LOD 0.004 4159 181213 Vesey and River Terrace 12/13/01 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 4149 191213 Trinity Place and Thames 12/13/01 14.80 45 666.0 7.00 100 8.92 0.005 0.004 4150 201213 Vesey and West Broadway__________ 12/13/01 14.80 45 666.0 8.50 100 10.83 0.006 0.004 4166 FBI Field Blank 1_____________________ 12/13/01 0.00 0 0.0 0.00 100 0.00 N/A N/A o 4167 FB2 Field Blank 2 12/13/01 0.00 0 0.0 0.00 100 0.00 N/A N/A H

ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 to

s O Limit of Quantitation (LOQ) = 102 [Eiber/mm^] Limit of Detection (LOD) = 7 [Eiber/mm^] o o Io o co Analysis Performed By: to Marek Pawlik Laboratory Director O

NYC-WTC_000234302