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 12, 2001 Client#: 101171 Work Area: N/A RCS Project # 103

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] 2651 011012 Park Place and Church 10/12/01 15.00 45 675.0 17.5 100 22.29 0.013 0.004 2652 021012 Park Place and Greenwich__________ 10/12/01 14.50 45 652.5 13.0 100 16.56 0.010 0.004 2653 031012 Murray and Church________________ 10/12/01 15.00 45 675.0 7.0 100 8.92 0.005 0.004 2654 041012 Murray and Greenwich_____________ 10/12/01 14.25 45 641.3 11.0 100 14.01 0.008 0.004 2664 051012 Fulton and Church 10/12/01 14.80 50 740.0 5.0 100 6.37 <LOD 0.004 2655 061012 Warren and North End_____________ 10/12/01 14.50 54 783.0 7.0 100 8.92 0.004 0.003 2656 071012 West Street and Warren____________ 10/12/01 14.50 45 652.5 6.0 100 7.64 0.005 0.004 2670 081012 Gateway Plaza___________________ 10/12/01 14.80 47 695.6 3.0 100 3.82 <LOD 0.004 2669 091012 South End Avenue and Albany_______ 10/12/01 14.80 49 725.2 5.0 100 6.37 <LOD 0.004 2671 101012 West and Albany_________________ 10/12/01 14.90 48 715.2 4.0 100 5.10 <LOD 0.004 2668 111012 Rector Place by park______________ 10/12/01 14.75 48 708.0 5.0 100 6.37 <LOD 0.004 2666 121012 3rd Place and West End and Waterside 10/12/01 14.90 47 700.3 6.0 100 7.64 0.004 0.004 2667 131012 West end of West Thames 10/12/01 14.80 48 710.4 4.5 100 5.73 <LOD 0.004 2657 141012 Park Place and River Terrace________ 10/12/01 14.75 45 663.8 6.0 100 7.64 0.004 0.004 2658 151012 River Terrace and Chambers________ 10/12/01 14.50 45 652.5 9.0 100 11.46 0.007 0.004 2659 161012 River Terrace and Warren 10/12/01 15.00 45 675.0 4.0 100 5.10 <LOD 0.004 2660 171012 North End and Park Place 10/12/01 15.00 45 675.0 10.0 100 12.74 0.007 0.004 2661 181012 Vesey and River Terrace___________ 10/12/01 15.00 45 675.0 6.0 100 7.64 0.004 0.004 2672 191012 Trinity Place and Thames___________ 10/12/01 14.70 49 720.3 8.5 100 10.83 0.006 0.004 2665 201012 Vesey and West Broadway__________ 10/12/01 14.85 49 727.7 9.0 100 11.46 0.006 0.004 2662 FBI Field Blank 1_____________________ 10/12/01 0.00 0 0.0 0.0 100 0.00 N/A N/A 2663 FB2 Field Blank 2 10/12/01 0.00 0 0.0 0.0 100 0.00 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

NYC-WTC_000231538