NYC-WTC_000231619

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 26, 2001 Client#: 101171 Work Area: N/A RCS Project# 119

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] 2984 011026 Park Place and Church 10/26/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2985 021026 Park Place and Greenwich__________ 10/26/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 2986 031026 Murray and Church________________ 10/26/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 2987 041026 Murray and Greenwich_____________ 10/26/01 15.00 45 675.0 6.50 100 8.28 0.005 0.004 2988 051026 Fulton and Church 10/26/01 14.50 45 652.5 14.50 100 18.47 0.011 0.004 2991 061026 Warren and North End_____________ 10/26/01 14.75 45 663.8 9.00 100 11.46 0.007 0.004 2992 071026 West Street and Warren____________ 10/26/01 14.75 45 663.8 4.50 100 5.73 <LOD 0.004 2998 081026 Gateway Plaza___________________ 10/26/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 2999 091026 South End Avenue and Albany_______ 10/26/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3000 101026 West and Albany_________________ 10/26/01 15.00 45 675.0 6.50 100 8.28 0.005 0.004 3001 111026 Rector Place by park______________ 10/26/01 14.80 45 666.0 2.00 100 2.55 <LOD 0.004 3002 121026 3rd Place and West End and Waterside 10/26/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3003 131026 West end of West Thames 10/26/01 14.85 45 668.3 4.00 100 5.10 <LOD 0.004 2993 141026 Park Place and River Terrace________ 10/26/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 2994 151026 River Terrace and Chambers________ 10/26/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 2995 161026 River Terrace and Warren 10/26/01 14.75 45 663.8 7.50 100 9.55 0.006 0.004 2996 171026 North End and Park Place 10/26/01 14.75 45 663.8 9.00 100 11.46 0.007 0.004 2997 181026 Vesey and River Terrace___________ 10/26/01 14.75 45 663.8 6.00 100 7.64 0.004 0.004 2989 191026 Trinity Place and Thames___________ 10/26/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2990 201026 Vesey and West Broadway__________ 10/26/01 14.50 45 652.5 19.00 100 24.20 0.014 0.004 3004 FBI Field Blank 1_____________________ 10/26/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3005 FB2 Field Blank 2 10/26/01 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 kD Laboratory Director CO O

NYC-WTC_000231619