NYC-WTC_000231431

NYC 9/11 Public Portal Document

cnata V^onsulting 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: October 27, 2001 Client#: 101171 Work Area: N/A RCS Project # 120

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/mrn.] [minutes] [liters] [Fiber/mm"] [Fiber/cc] [Fiber/cc] 3006 011027 Park Place and Church 10/27/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3007 021027 Park Place and Greenwich__________ 10/27/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3008 031027 Murray and Church________________ 10/27/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3009 041027 Murray and Greenwich_____________ 10/27/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3010 051027 Fulton and Church 10/27/01 15.00 45 675.0 11.50 100 14.65 0.008 0.004 3013 061027 Warren and North End_____________ 10/27/01 14.50 45 652.5 5.00 100 6.37 <LOD 0.004 3014 071027 West Street and Warren____________ 10/27/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3020 081027 Gateway Plaza___________________ 10/27/01 14.90 47 700.3 4.00 100 5.10 <LOD 0.004 3021 091027 South End Avenue and Albany_______ 10/27/01 14.90 46 685.4 2.00 100 2.55 <LOD 0.004 3022 101027 West and Albany_________________ 10/27/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3023 111027 Rector Place by park______________ 10/27/01 15.00 45 675.0 2.50 100 3.18 <LOD 0.004 3024 121027 3rd Place and West End and Waterside 10/27/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3025 131027 West end of West Thames 10/27/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3015 141027 Park Place and River Terrace________ 10/27/01 14.75 45 663.8 1.00 100 1.27 <LOD 0.004 3016 151027 River Terrace and Chambers________ 10/27/01 14.00 45 630.0 2.00 100 2.55 <LOD 0.004 3017 161027 River Terrace and Warren 10/27/01 14.50 45 652.5 3.50 100 4.46 <LOD 0.004 3018 171027 North End and Park Place 10/27/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3019 181027 Vesey and River Terrace___________ 10/27/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3011 191027 Trinity Place and Thames___________ 10/27/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3012 201027 Vesey and West Broadway__________ 10/27/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 3026 FBI Field Blank 1_____________________ 10/27/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3027 FB2 Field Blank 2 10/27/01 0.00 0 0.0 0.00 100 0.00 N/A N/A o H

ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 NJ Limit of Quantitation (LOQ) = 102 [Eiber/mm^] S o Limit of Detection (LOD) = 7 [Eiber/mm^] o o Io o co Analysis Performed By: A4 ^.24 co Marek Pawlik co o Laboratory Director co Oh kO

NYC-WTC_000231553