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 14, 2001 Client#: 101171 Work Area: N/A RCS Project # 106

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] 2700 011014 Park Place and Church 10/14/01 15.00 45 675.0 4.0 100 5.10 <LOD 0.004 2701 021014 Park Place and Greenwich__________ 10/14/01 14.00 45 630.0 43.5 100 55.41 0.034 0.004 2702 031014 Murray and Church________________ 10/14/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2703 041014 Murray and Greenwich_____________ 10/14/01 15.00 45 675.0 7.0 100 8.92 0.005 0.004 2713 051014 Fulton and Church 10/14/01 15.00 48 720.0 3.0 100 3.82 <LOD 0.004 2704 061014 Warren and North End_____________ 10/14/01 15.00 45 675.0 5.0 100 6.37 <LOD 0.004 2705 071014 West Street and Warren____________ 10/14/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2719 081014 Gateway Plaza___________________ 10/14/01 14.60 50 730.0 13.0 100 16.56 0.009 0.004 2718 091014 South End Avenue and Albany_______ 10/14/01 14.70 48 705.6 7.5 100 9.55 0.005 0.004 2720 101014 West and Albany_________________ 10/14/01 15.00 55 825.0 6.0 100 7.64 0.004 0.003 2717 111014 Rector Place by park______________ 10/14/01 14.90 46 685.4 3.0 100 3.82 <LOD 0.004 2715 121014 3rd Place and West End and Waterside 10/14/01 15.00 45 675.0 3.0 100 3.82 <LOD 0.004 2716 131014 West end of West Thames 10/14/01 15.00 46 690.0 4.0 100 5.10 <LOD 0.004 2706 141014 Park Place and River Terrace________ 10/14/01 15.00 45 675.0 3.0 100 3.82 <LOD 0.004 2707 151014 River Terrace and Chambers________ 10/14/01 15.00 45 675.0 2.5 100 3.18 <LOD 0.004 2708 161014 River Terrace and Warren 10/14/01 14.50 45 652.5 4.0 100 5.10 <LOD 0.004 2709 171014 North End and Park Place 10/14/01 15.00 45 675.0 4.5 100 5.73 <LOD 0.004 2710 181014 Vesey and River Terrace___________ 10/14/01 15.00 45 675.0 2.0 100 2.55 <LOD 0.004 2721 191014 Trinity Place and Thames___________ 10/14/01 15.00 48 720.0 6.0 100 7.64 0.004 0.004 2714 201014 Barclay and West Broadway_________ 10/14/01 15.00 52 780.0 6.0 100 7.64 0.004 0.003 2711 FBI Field Blank 1_____________________ 10/14/01 0.00 0 0.0 0.0 100 0.00 N/A N/A 2712 FB2 Field Blank 2 10/14/01 0.00 0 0.0 0.0 100 0.00 N/A N/A o H

NJ ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 S Limit of Quantitation (LOQ) = 102 [Eiber/mm^] 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 Oh

NYC-WTC_000231540