NYC-WTC_000231617

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 29, 2001 Client#: 101171 Work Area: N/A RCS Project # 122

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] 3050 011029 Park Place and Church 10/29/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3051 021029 Park Place and Greenwich__________ 10/29/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3052 031029 Murray and Church________________ 10/29/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3053 041029 Murray and Greenwich_____________ 10/29/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3054 051029 Fulton and Church 10/29/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 3057 061029 Warren and North End_____________ 10/29/01 14.75 45 663.8 6.50 100 8.28 0.005 0.004 3058 071029 West Street and Warren____________ 10/29/01 14.25 45 641.3 5.00 100 6.37 <LOD 0.004 3064 081029 Gateway Plaza___________________ 10/29/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3065 091029 South End Avenue and Albany_______ 10/29/01 15.00 47 705.0 4.00 100 5.10 <LOD 0.004 3066 101029 West and Albany_________________ 10/29/01 14.40 50 720.0 3.00 100 3.82 <LOD 0.004 3067 111029 Rector Place by park______________ 10/29/01 14.90 45 670.5 2.00 100 2.55 <LOD 0.004 3068 121029 3rd Place and West End and Waterside 10/29/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3069 131029 West end of West Thames 10/29/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3059 141029 Park Place and River Terrace________ 10/29/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 3060 151029 River Terrace and Chambers________ 10/29/01 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 3061 161029 River Terrace and Warren 10/29/01 14.50 45 652.5 3.50 100 4.46 <LOD 0.004 3062 171029 North End and Park Place 10/29/01 14.75 45 663.8 4.00 100 5.10 <LOD 0.004 3063 181029 Vesey and River Terrace___________ 10/29/01 15.00 54 810.0 2.00 100 2.55 <LOD 0.003 3055 191029 Trinity Place and Thames___________ 10/29/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3056 201029 Vesey and West Broadway__________ 10/29/01 14.50 45 652.5 9.00 100 11.46 0.007 0.004 3070 FBI Field Blank 1_____________________ 10/29/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3071 FB2 Field Blank 2 10/29/01 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 Laboratory Director CD o co

NYC-WTC_000231617