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 7, 2001 Client#: 101171 Work Area: N/A RCS Project # 097

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. Collected [liters/min.] [minutes] [liters] [Fiber/mm^] [Fiber/cc] 2548 011007 Park Place and Church 10/7/01 15.00 45 675 6 100 7.64 0.004 2546 021007 Park Place and Greenwich 10/7/01 15.00 45 675 7 100 8.92 0.005 2549 031007 Murray and Church 10/7/01 14.50 45 652.5 6.5 100 8.28 0.005 2547 041007 Murray and Greenwich 10/7/01 14.25 45 641.25 4 100 5.10 <LOD 2556 051007 Fulton and Church 10/7/01 15.00 48 720 20.5 100 26.11 0.014 2544 061007 Warren and North End______ 10/7/01 14.50 45 652.5 3 100 3.82 <LOD 2545 071007 West Street and Warren 10/7/01 15.00 45 675 4 100 5.10 <LOD 2557 081007 Gateway Plaza____________ 10/7/01 15.00 45 675 7.5 100 9.55 0.005 2558 091007 South End Avenue and Albany 10/7/01 15.00 49 735 3 100 3.82 <LOD 2559 101009 West and Albany 10/7/01 15.00 46 690 6 100 7.64 0.004 2554 111007 Rector Place by park 10/7/01 14.75 51 752.25 4 100 5.10 <LOD 2552 121007 3rd Place and West End and Waterside 10/7/01 15.00 51 765 4 100 5.10 <LOD 2553 131007 West end of West Thames 10/7/01 15.00 51 765 4 100 5.10 <LOD 2542 141007 Park Place and River Terrace 10/7/01 14.75 45 663.75 3.5 100 4.46 <LOD 2540 151007 River Terrace and Chambers 10/7/01 15.00 45 675 5 100 6.37 <LOD 2541 161007 River Terrace and Warren 10/7/01 15.00 45 675 4 100 5.10 <LOD 2543 171007 North End and Park Place 10/7/01 15.00 45 675 2 100 2.55 <LOD 2539 181007 Vesey and River Terrace 10/7/01 14.50 45 652.5 1 100 1.27 LOD 2555 191007 Trinity Place and Thames 10/7/01 15.00 51 765 5.5 100 7.01 0.004 2560 201007 Vesey and West Broadway 10/7/01 14.50 58 841 14 100 17.83 0.008 2550 FBI Field Blank 1 10/7/01 0.00 0 0 0 100 0.00 N/A 2551 FB2 Field Blank 2 10/7/01 0.00 0 0 0 100 0.00 N/A o H

ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 to

s O Limit of Quantitation (LOQ) = 102 [Eiber/mm^] 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 kD

NYC-WTC_000231533