NYC-WTC_000232904

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: November 2, 2001 Client#: 101171 Work Area: N/A RCS Project # 126

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] 3138 011102 Park Place and Church 11/2/01 15.00 45 675.0 0.00 100 0.00 <LOD 0.004 3139 021102 Park Place and Greenwich__________ 11/2/01 15.00 45 675.0 7.50 100 9.55 0.005 0.004 3140 031102 Murray and Church________________ 11/2/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3141 041102 Murray and Greenwich_____________ 11/2/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3142 051102 Fulton and Church 11/2/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 3145 061102 Warren and North End_____________ 11/2/01 14.00 45 630.0 7.50 100 9.55 0.006 0.004 3146 071102 West Street and Warren____________ 11/2/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 3152 081102 Gateway Plaza___________________ 11/2/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3153 091102 South End Avenue and Albany_______ 11/2/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3154 101102 West and Albany_________________ 11/2/01 14.25 50 712.5 2.00 100 2.55 <LOD 0.004 3155 111102 Rector Place by park______________ 11/2/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3156 121102 3rd Place and West End and Waterside 11/2/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3157 131102 West end of West Thames 11/2/01 14.90 45 670.5 4.00 100 5.10 <LOD 0.004 3147 141102 Park Place and River Terrace________ 11/2/01 14.75 45 663.8 3.00 100 3.82 <LOD 0.004 3148 151102 River Terrace and Chambers________ 11/2/01 14.75 53 781.8 3.00 100 3.82 <LOD 0.003 3149 161102 River Terrace and Warren 11/2/01 14.75 55 811.3 6.00 100 7.64 0.004 0.003 3150 171102 North End and Park Place 11/2/01 14.50 45 652.5 2.50 100 3.18 <LOD 0.004 3151 181102 Vesey and River Terrace___________ 11/2/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3143 191102 Trinity Place and Thames___________ 11/2/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3144 201102 Vesey and West Broadway__________ 11/2/01 15.00 45 675.0 9.50 100 12.10 0.007 0.004 3158 FBI Field Blank 1_____________________ 11/2/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3159 FB2 Field Blank 2 11/2/01 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 kD Marek Pawlik NJ CO Laboratory Director kD kD CO

NYC-WTC_000232904