NYC-WTC_000187376

Z -< Z o o g 1^ o ■D o c o CT 00 (Consulting Services. Inc. o' o Renata "0 o 05 304 Edgemont Terrace Teaneck NJ 07666 201692 7967 fax 20! 678 1789 9L O o Certificate of Analysis o c Client: Riverpoint, Inc Project Location: WTC, NYC t Analysis Date: October 29, 2001 3 Work Area: N/A ■' o Client#: 101171 RCS Project # 122 3

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date FlowlRate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [IltetsZibin.l [minutesl [liters! rFiber/mm’l [FiberZee] [Fiberfcc] 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 iS^oo 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 Gateway Plaza 10/29/01 5.00 45 675.0 7.00 100 8.92 0.005 0.004 3065 091029 South End Avenue and Albany_______ 10/29/01 5^ 47 705.0 4.00 100 5.10 <LOD 0.004 3066 101029 West and Albany_________________ 10/29/01 lOo 50 -720^ 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 2.66 <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 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 k; I ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 to Limit of Quantitation (LOQ) = 102 [Fiber/mn?] o Limit of Detection (LOD) = 7 [Fiber/mm^] o o I Analysis Performed By: o o Marek Pawlik to Laboratory Director