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 16, 2001 Client#: 101171 Work Area: N/A RCS Project # 108

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/min.] [minutes] [liters] [Fiber/mm"] [Fiber/cc] [Fiber/cc] 2744 011016 Park Place and Church 10/16/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2745 021016 Park Place and Greenwich__________ 10/16/01 15.00 45 675.0 4.0 100 5.10 <LOD 0.004 2746 031016 Murray and Church________________ 10/16/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2747 041016 Murray and Greenwich_____________ 10/16/01 14.50 45 652.5 3.0 100 3.82 <LOD 0.004 2757 051016 Fulton and Church 10/16/01 15.00 47 705.0 14.5 100 18.47 0.010 0.004 2748 061016 Warren and North End_____________ 10/16/01 15.00 45 675.0 13.0 100 16.56 0.009 0.004 2749 071016 West Street and Warren____________ 10/16/01 14.50 45 652.5 8.5 100 10.83 0.006 0.004 2763 081016 Gateway Plaza___________________ 10/16/01 14.00 50 700.0 16.0 100 20.38 0.011 0.004 2762 091016 South End Avenue and Albany_______ 10/16/01 14.20 50 710.0 11.0 100 14.01 0.008 0.004 2764 101016 West and Albany_________________ 10/16/01 15.00 46 690.0 9.0 100 11.46 0.006 0.004 2761 111016 Rector Place by park______________ 10/16/01 14.45 47 679.2 7.0 100 8.92 0.005 0.004 2759 121016 3rd Place and West End and Waterside 10/16/01 14.50 47 681.5 4.0 100 5.10 <LOD 0.004 2760 131016 West end of West Thames 10/16/01 14.45 47 679.2 3.0 100 3.82 <LOD 0.004 2750 141016 Park Place and River Terrace________ 10/16/01 15.00 45 675.0 3.0 100 3.82 <LOD 0.004 2751 151016 River Terrace and Chambers________ 10/16/01 15.00 45 675.0 5.0 100 6.37 <LOD 0.004 2752 161016 River Terrace and Warren 10/16/01 14.75 45 663.8 4.5 100 5.73 <LOD 0.004 2753 171016 North End and Park Place 10/16/01 14.75 45 663.8 4.0 100 5.10 <LOD 0.004 2754 181016 Vesey and River Terrace___________ 10/16/01 15.00 45 675.0 2.0 100 2.55 <LOD 0.004 2765 191016 Trinity Place and Thames___________ 10/16/01 15.00 45 675.0 9.0 100 11.46 0.007 0.004 2758 201016 Barclay and West Broadway_________ 10/16/01 15.00 47 705.0 7.0 100 8.92 0.005 0.004 2755 FBI Field Blank 1_____________________ 10/16/01 0 0 0 0 100 0 N/A N/A 2756 FB2 Field Blank 2 10/16/01 0 0 0 0 100 0 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 CR co

NYC-WTC_000231542