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 9, 2001 Client#: 101171 Work Area: N/A RCS Project # 100

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] 2585 011009 Park Place and Church 10/9/01 14.50 45 652.5 14.00 100 17.83 0.011 0.004 2586 021009 Park Place and Greenwich__________ 10/9/01 14.50 45 652.5 17.00 100 21.66 0.013 0.004 2587 031009 Murray and Church________________ 10/9/01 14.50 45 652.5 6.00 100 7.64 0.005 0.004 2588 041009 Murray and Greenwich_____________ 10/9/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 2598 051009 Fulton and Church 10/9/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 2589 061009 Warren and North End_____________ 10/9/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2590 071009 West Street and Warren____________ 10/9/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 2604 081009 Gateway Plaza___________________ 10/9/01 15.00 47 705.0 5.50 100 7.01 <LOD 0.004 2603 091009 South End Avenue and Albany_______ 10/9/01 15.00 48 720.0 9.00 100 11.46 0.006 0.004 2605 101009 West and Albany_________________ 10/9/01 14.75 47 693.3 4.00 100 5.10 <LOD 0.004 2602 111009 Rector Place by park______________ 10/9/01 15.00 49 735.0 3.00 100 3.82 <LOD 0.004 2600 121009 3rd Place and West End and Waterside 10/9/01 15.00 48 720.0 6.00 100 7.64 0.004 0.004 2601 131009 West end of West Thames 10/9/01 14.75 48 708.0 5.00 100 6.37 <LOD 0.004 2591 141009 Park Place and River Terrace________ 10/9/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2592 151009 River Terrace and Chambers________ 10/9/01 14.75 45 663.8 6.00 100 7.64 0.004 0.004 2593 161009 River Terrace and Warren 10/9/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2594 171009 North End and Park Place 10/9/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 2595 181009 Vesey and River Terrace___________ 10/9/01 14.50 45 652.5 7.50 100 9.55 0.006 0.004 2606 191009 Trinity Place and Thames___________ 10/9/01 15.00 51 765.0 4.00 100 5.10 <LOD 0.004 2599 201009 Vesey and West Broadway__________ 10/9/01 14.50 35 507.5 23.50 100 29.94 0.023 0.005 2596 FBI Field Blank 1_____________________ 10/9/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2597 FB2 Field Blank 2 10/9/01 0.00 0 0.0 0.00 100 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_000231535