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 19, 2001 Client#: 101171 Work Area: N/A RCS Project# 111

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] 2810 011019 Park Place and Church 10/19/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 2811 021019 Park Place and Greenwich__________ 10/19/01 15.00 45 675.0 27.50 100 35.03 0.020 0.004 2812 031019 Murray and Church________________ 10/19/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 2813 041019 Murray and Greenwich_____________ 10/19/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 2825 051019 Fulton and Church 10/19/01 15.00 47 705.0 8.00 100 10.19 0.006 0.004 2815 061019 Warren and North End_____________ 10/19/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 2814 071019 West Street and Warren____________ 10/19/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 2831 081019 Gateway Plaza___________________ 10/19/01 14.60 50 730.0 7.00 100 8.92 0.005 0.004 2830 091019 South End Avenue and Albany_______ 10/19/01 14.70 48 705.6 7.00 100 8.92 0.005 0.004 2823 101019 West and Albany_________________ 10/19/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 2829 111019 Rector Place by park______________ 10/19/01 14.75 47 693.3 4.00 100 5.10 <LOD 0.004 2827 121019 3rd Place and West End and Waterside 10/19/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 2828 131019 West end of West Thames 10/19/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 2816 141019 Park Place and River Terrace________ 10/19/01 14.50 45 652.5 7.00 100 8.92 0.005 0.004 2817 151019 River Terrace and Chambers________ 10/19/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 2818 161019 River Terrace and Warren 10/19/01 15.00 45 675.0 3.50 100 4.46 <LOD 0.004 2819 171019 North End and Park Place 10/19/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 2820 181019 Vesey and River Terrace___________ 10/19/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2824 191019 Trinity Place and Thames___________ 10/19/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 2826 201019 Vesey and West Broadway__________ 10/19/01 15.00 48 720.0 15.00 100 19.11 0.010 0.004 2821 FBI Field Blank 1_____________________ 10/19/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2822 FB2 Field Blank 2 10/19/01 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 | Fiher/mm ’ | o o Io o co Analysis Performed By: A4 ^.24 co Marek Pawlik co o Laboratory Director co Oh

NYC-WTC_000231545