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 23, 2001 Client#: 101171 Work Area: N/A RCS Project# 115

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] 2898 011023 Park Place and Church 10/23/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2899 021023 Park Place and Greenwich__________ 10/23/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2900 031023 Murray and Church________________ 10/23/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2901 041023 Murray and Greenwich_____________ 10/23/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 2913 051023 Fulton and Church 10/23/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2903 061023 Warren and North End_____________ 10/23/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 2902 071023 West Street and Warren____________ 10/23/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2919 081023 Gateway Plaza___________________ 10/23/01 14.50 48 696.0 6.00 100 7.64 0.004 0.004 2918 091023 South End Avenue and Albany_______ 10/23/01 14.60 47 686.2 12.50 100 15.92 0.009 0.004 2911 101023 West and Albany_________________ 10/23/01 14.70 47 690.9 12.00 100 15.29 0.009 0.004 2917 111023 Rector Place by park______________ 10/23/01 14.80 47 695.6 7.50 100 9.55 0.005 0.004 2915 121023 3rd Place and West End and Waterside 10/23/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2916 131023 West end of West Thames 10/23/01 14.90 45 670.5 6.00 100 7.64 0.004 0.004 2904 141023 Park Place and River Terrace________ 10/23/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2905 151023 River Terrace and Chambers________ 10/23/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2906 161023 River Terrace and Warren 10/23/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 2907 171023 North End and Park Place 10/23/01 15.00 54 810.0 2.00 100 2.55 <LOD 0.003 2908 181023 Vesey and River Terrace___________ 10/23/01 15.00 54 810.0 3.00 100 3.82 <LOD 0.003 2912 191023 Trinity Place and Thames___________ 10/23/01 14.50 45 652.5 6.50 100 8.28 0.005 0.004 2914 201023 Vesey and West Broadway__________ 10/23/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2909 FBI Field Blank 1_____________________ 10/23/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2910 FB2 Field Blank 2 10/23/01 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 (JI

NYC-WTC_000231549