NYC-WTC_000234331

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 17, 2001 Client#: 101171 Work Area: N/A RCS Project #182

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] 4239 011217 Park Place and Church 12/17/01 14.60 45 657.0 7.00 100 8.92 0.005 0.004 4234 021217 Park Place and Greenwich__________ 12/17/01 14.80 45 666.0 3.00 100 3.82 <LOD 0.004 4240 031217 Murray and Church________________ 12/17/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 4235 041217 Murray and Greenwich_____________ 12/17/01 14.80 45 666.0 5.00 100 6.37 <LOD 0.004 4236 051217 Fulton and Church 12/17/01 14.80 45 666.0 10.50 100 13.38 0.008 0.004 4241 061217 Warren and North End 12/17/01 14.30 45 643.5 3.50 100 4.46 <LOD 0.004 4242 071217 West Street and Warren____________ 12/17/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 4248 081217 Gateway Plaza___________________ 12/17/01 14.45 45 650.3 0.00 100 0.00 <LOD 0.004 4249 091217 South End Avenue and Albany 12/17/01 14.70 45 661.5 2.00 100 2.55 <LOD 0.004 4250 101217 West and Albany 12/17/01 14.45 45 650.3 5.00 100 6.37 <LOD 0.004 4251 111217 Rector Place by park______________ 12/17/01 14.70 45 661.5 4.00 100 5.10 <LOD 0.004 4252 121217 3rd Place and South End and Waterside 12/17/01 14.45 45 650.3 5.50 100 7.01 <LOD 0.004 4253 131217 West end of West Thames__________ 12/17/01 14.70 45 661.5 6.00 100 7.64 0.004 0.004 4243 141217 Park Place and River Terrace 12/17/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 4244 151217 River Terrace and Chambers 12/17/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 4245 161217 River Terrace and Warren___________ 12/17/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 4246 171217 North End and Park Place___________ 12/17/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 4247 181217 Vesey and River Terrace 12/17/01 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 4237 191217 Trinity Place and Thames 12/17/01 14.80 45 666.0 6.00 100 7.64 0.004 0.004 4238 201217 Vesey and West Broadway__________ 12/17/01 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 4254 FBI Field Blank 1_____________________ 12/17/01 0.00 0 0.0 0.00 100 0.00 N/A N/A o 4255 FB2 Field Blank 2 12/17/01 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 CR Laboratory Director CR CR O

NYC-WTC_000234331