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 17, 2001 Client#: 101171 Work Area: N/A RCS Project # 109

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] 2766 011017 Park Place and Church 10/17/01 15.00 45 675.0 21.0 100 26.75 0.015 0.004 2767 021017 Park Place and Greenwich__________ 10/17/01 14.50 45 652.5 14.5 100 18.47 0.011 0.004 2768 031017 Murray and Church________________ 10/17/01 14.50 45 652.5 7.0 100 8.92 0.005 0.004 2769 041017 Murray and Greenwich_____________ 10/17/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2779 051017 Fulton and Church 10/17/01 15.00 46 690.0 17.0 100 21.66 0.012 0.004 2770 061017 Warren and North End_____________ 10/17/01 15.00 45 675.0 15.5 100 19.75 0.011 0.004 2771 071017 West Street and Warren____________ 10/17/01 15.00 45 675.0 4.0 100 5.1 <LOD 0.004 2785 081017 Gateway Plaza___________________ 10/17/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2784 091017 South End Avenue and Albany_______ 10/17/01 15.00 45 675.0 2.0 100 2.55 <LOD 0.004 2786 101017 West and Albany_________________ 10/17/01 15.00 45 675.0 4.0 100 5.1 <LOD 0.004 2783 111017 Rector Place by park______________ 10/17/01 15.00 45 675.0 4.0 100 5.1 <LOD 0.004 2781 121017 3rd Place and West End and Waterside 10/17/01 15.00 45 675.0 2.0 100 2.55 <LOD 0.004 2782 131017 West end of West Thames 10/17/01 15.00 45 675.0 4.5 100 5.73 <LOD 0.004 2772 141017 Park Place and River Terrace________ 10/17/01 14.50 45 652.5 5.0 100 6.37 <LOD 0.004 2773 151017 River Terrace and Chambers________ 10/17/01 15.00 45 675.0 2.0 100 2.55 <LOD 0.004 2774 161017 River Terrace and Warren 10/17/01 15.00 45 675.0 5.5 100 7.01 0.004 0.004 2775 171017 North End and Park Place 10/17/01 14.50 45 652.5 2.0 100 2.55 <LOD 0.004 2776 181017 Vesey and River Terrace___________ 10/17/01 15.00 45 675.0 3.0 100 3.82 <LOD 0.004 2787 191017 Trinity Place and Thames___________ 10/17/01 15.00 46 690.0 7.0 100 8.92 0.005 0.004 2780 201017 Vesey and West Broadway__________ 10/17/01 15.00 45 675.0 21.0 100 26.75 0.015 0.004 2777 FBI Field Blank 1_____________________ 10/17/01 0.00 0 0.0 0.0 100 0 N/A N/A 2778 FB2 Field Blank 2 10/17/01 0.00 0 0.0 0.0 100 0 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 kD

NYC-WTC_000231543