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 24, 2001 Client#: 101171 Work Area: N/A RCS Project# 117

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] 2940 011024 Park Place and Church 10/24/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 2941 021024 Park Place and Greenwich__________ 10/24/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2942 031024 Murray and Church________________ 10/24/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 2943 041024 Murray and Greenwich_____________ 10/24/01 15.00 45 675.0 12.50 100 15.92 0.009 0.004 2955 051024 Fulton and Church 10/24/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 2945 061024 Warren and North End_____________ 10/24/01 14.75 45 663.8 6.50 100 8.28 0.005 0.004 2944 071024 West Street and Warren____________ 10/24/01 14.50 45 652.5 3.00 100 3.82 <LOD 0.004 2961 081024 Gateway Plaza___________________ 10/24/01 14.15 48 679.2 4.00 100 5.10 <LOD 0.004 2960 091024 South End Avenue and Albany_______ 10/24/01 14.40 48 691.2 5.00 100 6.37 <LOD 0.004 2953 101024 West and Albany_________________ 10/24/01 15.00 45 675.0 10.50 100 13.38 0.008 0.004 2959 111024 Rector Place by park______________ 10/24/01 14.50 48 696.0 3.00 100 3.82 <LOD 0.004 2957 121024 3rd Place and West End and Waterside 10/24/01 14.80 46 680.8 2.00 100 2.55 <LOD 0.004 2958 131024 West end of West Thames 10/24/01 14.60 47 686.2 5.00 100 6.37 <LOD 0.004 2946 141024 Park Place and River Terrace________ 10/24/01 14.00 45 630.0 3.00 100 3.82 <LOD 0.004 2947 151024 River Terrace and Chambers________ 10/24/01 14.00 45 630.0 2.00 100 2.55 <LOD 0.004 2948 161024 River Terrace and Warren 10/24/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2949 171024 North End and Park Place 10/24/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2950 181024 Vesey and River Terrace___________ 10/24/01 14.50 45 652.5 2.00 100 2.55 <LOD 0.004 2954 191024 Trinity Place and Thames___________ 10/24/01 15.00 45 675.0 12.00 100 15.29 0.009 0.004 2956 201024 Vesey and West Broadway__________ 10/24/01 15.00 46 690.0 9.00 100 11.46 0.006 0.004 2951 FBI Field Blank 1_____________________ 10/24/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2952 FB2 Field Blank 2 10/24/01 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 Oh

NYC-WTC_000231550