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 25, 2001 Client#: 101171 Work Area: N/A RCS Project# 118

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] 2962 011025 Park Place and Church 10/25/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2963 021025 Park Place and Greenwich__________ 10/25/01 15.00 45 675.0 12.00 100 15.29 0.009 0.004 2964 031025 Murray and Church________________ 10/25/01 15.00 45 675.0 10.50 100 13.38 0.008 0.004 2965 041025 Murray and Greenwich_____________ 10/25/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 2977 051025 Fulton and Church 10/25/01 15.00 46 690.0 11.50 100 14.65 0.008 0.004 2967 061025 Warren and North End_____________ 10/25/01 14.75 45 663.8 3.00 100 3.82 <LOD 0.004 2966 071025 West Street and Warren____________ 10/25/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 2983 081025 Gateway Plaza___________________ 10/25/01 15.00 45 675.0 5.50 100 7.01 <LOD 0.004 2982 091025 South End Avenue and Albany_______ 10/25/01 14.80 46 680.8 4.00 100 5.10 <LOD 0.004 2975 101025 West and Albany_________________ 10/25/01 15.00 45 675.0 6.50 100 8.28 0.005 0.004 2981 111025 Rector Place by park______________ 10/25/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2979 121025 3rd Place and West End and Waterside 10/25/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2980 131025 West end of West Thames 10/25/01 15.00 45 675.0 1.00 100 1.27 <LOD 0.004 2968 141025 Park Place and River Terrace________ 10/25/01 14.75 45 663.8 4.00 100 5.10 <LOD 0.004 2969 151025 River Terrace and Chambers________ 10/25/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 2970 161025 River Terrace and Warren 10/25/01 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 2971 171025 North End and Park Place 10/25/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2972 181025 Vesey and River Terrace___________ 10/25/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 2976 191025 Trinity Place and Thames___________ 10/25/01 15.00 46 690.0 8.50 100 10.83 0.006 0.004 2978 201025 Vesey and West Broadway__________ 10/25/01 15.00 46 690.0 11.00 100 14.01 0.008 0.004 2973 FBI Field Blank 1_____________________ 10/25/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2974 FB2 Field Blank 2 10/25/01 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 Oh

NYC-WTC_000231551