NYC-WTC_000231610

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 8, 2001 Client#: 101171 Work Area: N/A RCS Project # 099

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] 2563 011008 Park Place and Church 10/8/01 15.00 45 675 13 100 16.56 0.009 2564 031008 Murray and Church______ 10/8/01 14.75 45 663.75 10 100 12.74 0.007 2565 021008 Park Place and Greenwich 10/8/01 14.50 61 884.5 10.5 100 13.38 0.006 2566 041008 Murray and Greenwich 10/8/01 14.75 61 899.75 6 100 7.64 0.003 2567 071008 West Street and Warren 10/8/01 14.75 45 663.75 12 100 15.29 0.009 2568 061008 Warren and North End_____ 10/8/01 14.00 45 630 9.5 100 12.10 0.007 2569 171008 North End and Park Place 10/8/01 14.00 45 630 9 100 11.46 0.007 2570 151008 River Terrace and Chambers 10/8/01 14.50 45 652.5 3 100 3.82 <BDL 2571 161008 River Terrace and Warren 10/8/01 14.00 45 630 6 100 7.64 0.005 2572 141008 Park Place and River Terrace 10/8/01 15.00 45 675 4.5 100 5.73 <BDL 2573 181008 Vesey and River Terrace 10/8/01 14.50 45 652.5 4 100 5.10 <BDL 2574 FBI Field Blank 1 10/8/01 0.00 0 0 0 100 0.00 N/A 2575 FB2 Field Blank 2 10/8/01 0.00 0 0 0 100 0.00 N/A 2576 121008 3rd Place and West End and Waterside 10/8/01 15.00 49 735 5.5 100 7.01 0.004 2577 131008 West end of West Thames 10/8/01 15.00 48 720 2 100 2.55 <BDL 2578 111008 Rector Place by park 10/8/01 14.75 51 752.25 6 100 7.64 0.004 2579 191008 Trinity Place and Thames 10/8/01 15.00 48 720 11 100 14.01 0.007 2580 051008 Fulton and Church_________ 10/8/01 15.00 50 750 7 100 8.92 0.005 2581 081008 Gateway Plaze____________ 10/8/01 14.60 55 803 3 100 3.82 <BDL 2582 091008 South End Avenue and Albany 10/8/01 14.60 50 730 3 100 3.82 <BDL 2583 101008 West and Albany 10/8/01 14.80 45 666 17 100 21.66 0.013 2584 201008 Vesey and West Broadway 10/8/01 14.60 50 730 N/A 100 N/A N/A* o H ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NTOSH Method 7400 NJ Limit of Quantitation (LOQ) = 102 [Eiber/mm^] S Limit of Detection (LOD) = 7 [Eiber/mm^] o Sample Overloaded o o Io o co Analysis Performed By: A4 ^.24 co Marek Pawlik co o Laboratory Director Oh co

NYC-WTC_000231610