NYC-WTC_000187370

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Fo ■D o c o CT oo IRlenata ^Z'onsujting Services, Inc. o' co ■D o o 304 Edgemont Terrace Tcaneck NJ 0/666 201 692 7967 fax 201 678 1789 3. 91 O Certificate Analysis o o c Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: October 21,2001 3 Client #: 101171 Work Area: N/A RCS Project# 113 CD

PCM AirSampleAnalysisSiinn^iy Lab ID Client ID Sample Description Date Flow I Rate Duration Volume Fibers Fields Density Fiber Cone. [ LOD ! Collected [liters/min.] (minutes] _ [liters] [Fiber/mm’l [Fiber/cc] [Fiber/cc] 2854 011021 Park Place and Church__________ __ 10/21/01 js.oo ____ 45 - 675.0 4.00 too 5,10 <LOD 0.004 2855 021021 Park Place and Greenwich__________ 10/21/01 14.50 ____ 45 652.5 5.00 100 6,37 <LOD 0.004 031021 Murray and Church____________ 10/21/01 14.50 ____ 45 - 652.5 9.00 JOO 11,46 0.007 0.004 2857 041021 Murray and Greenwich_____________ 10/21/01 - 4.50 ____ 45 652.5 '4.00 100 5,10 <LOD 0.004 051021 Fulton and Church_______________ 10/21/01 •is.oo ____ 45 675.0 17.50 100 22,29 0.013 0.004 061021 Warren and North End_____________ 10/21/01 15.00 ____ 45 675.0 6.00 JOO 7,64 0.004 0.004 071021 West Street and Warren___________ 10/21/01 14.50 ____ 45 652.5 7.00 JOO 6,92 0.005 0.004 2^ 081021 Gateway Plaza___________________ 10/21/01 14,60 ____ 45 657.0 4.00 100 5,10 <LOD 0.004 2874 091021 South End Avenue and Albany _____ 10/21/01 14,80 ____ 46 680.8 4.00 JOO 5,10 <LOD 0.004 2867 JOJ^ West and Albany_______________ 10/21/01 15,00 ____ 47 705.0 2.00 JOO 2,55 <LOD 0.004 2873 111021 Rector Place by park______________ 10/21/01 15,00 ____ 45 675,0 7.50 100 9,55 0.005 0.004 2871 121021 3rd Place and West End and Waterside 10/21/01 15,00 ____ 48 720,0 4.00 100 5,10 <LOD 0,004 2872 131021 West end of West Thames_________ 10/21/01 15,00 ____ 49 735,0 3.00 JOO 3,82 <LOD 0,004 2860 141021 Park Place and River Terrace_______ 10/21/01 15.00 ____ 45 675,0 3.00 JOO 3,82 <LOD 0,004 2861 151021 River Terrace and Chambers________ 10/21/01 15.00 ____ 45 - 675,0 5.00 100 6,37 <LOD 0,004 2862 161021 River Terrace and Warren__________ 10/21/01 15.00 ____ 45 675,0 4.00 100 5,10 <LOD 0,004 171021 North End and Park Place _______ 10/21/01 15.00 ____ 45 675,0 5.00 100 6.37 <LOD 0,004 [2864 181021 Vesey and River Terrace___________ 10/21/01 15.00 ____ 45 . 675,0 3.00 JOO 3.82 <LOD 0,004 191021 Trinity Place and Thames ________ 10/21/01 15.00 ____ 45 ■ 675,0 4.50 JOO 5.73 <LOD 0,004 2870 201021 Vesey and West Broadway_________ 10/21/01 15.00 ____ 50 . 750,0 7.00 JOO 8.92 0.005 0,004 2865 FBI Field Blank 1 __________________ 10/21/01 0.00 _____ 0 ___ 0,0 0.00 JOO 0.00 N/A N/A FB2 Field Blank 2 10/21/01 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 Limit of Quantitation (LOQ) = 102 [Fiber/mm^] o Limit of Detection (LOD) = 7 [Fiber/mm^] o o I o Analysis Performed By: o Marek Pawlik kO Laboratory Director

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