NYC-WTC_000187530

z z ■<

o o i o co

I C-onsulting Services, Inc m o enata c o CT o 304 Edgemont Terrace Teaneck NJ 07666 2C1 692 7967 fax 201 678 1789 o' 00 m cn o 3. GO o Certificate of Analysis 03

Client; Riverpoint, Inc Project Location: WTC, NYC Analysis Date: February 10,2002 o o Client#: 101171 Work Area: N/A RCS Project #223 o c 3 CD PCM Air Sample Analysis Summary Lob ID Client ID Sample Description Date Flow Rate E>uration Volume Fibers Fields Density Fiber Cone. LOD Qplleoted lliters/min.] [minutes] [litersl fFiber/mm’l IFiber/co] fFiber/oc] 5091 010210 Park Place and Church ____ , A (10/^ 14.80 45 666.0 7.00 100 8.92 0.005 0.004 5092 020210 Park Place and Greenwich 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 5093 030210 Murray and Church________ /10/02 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 5094 040210 Murray and Greenwich_____ /10/02 15.00 45 675.0 6.00 100 7.64 0.004 0.004 5095 050210 Fulton and Church 1/10/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 5077 060210 Warren and North End 1/10/02 14.60 45 657.0 7.00 100 8.92 0.005 0.004 5078 070210 West Street and Warren /10/02 14.60 45 657.0 3.00 100 3.82 <LOD 0.004 5084 080210 Gateway Plaza___________ /10/02 15.00 45 675.0 6.00 100 7.64 0.004 0.004 5085 090210 South End Avenue and Albany /10/02 14.75 45 663.8 5.00 100 6.37 <LOD 0.004 5086 100210 West and Albany /10/02 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 5087 110210 Rector Place by park______________ /10/02 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 5088 120210 3rd Place and South End and Waterside )/10/02 14.75 45 663.8 5.00 100 6.37 <LOD 0.004 5089 130210 West end of West Thames )/10/02 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 5079 140210 Park Place and River Terrace 1/10/02 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 5080 150210 River Terrace and Chambers 1/10/02 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 5081 160210 River Terrace and Warren 14.60 45 657.0 6.50 100 8.28 0.005 0.004 5082 170210 North End and Park Place fe/10/02 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 5083 5090 180210 Vesey and River Terrace___________ 190210 Trinity Race and Thames___________ sZiS >/10/02 14.30 45 45 643.5 2.00 100 100 2.55 <LOD 0.004 15.00 675.0 5.00 6.37 <LOD 0.004 5096 200210 Vesey and West Broadway_________ 14.80 45 666.0 4.50 100 5.73 <LOD 0.004 5097 FBI Field Blank aio/o2 0.00 0 0.0 0.00 100 0.00 N/A N/A 5098 FB2 Field Blank 9110/02 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"| I—i S Limit of Detection (l OD) = 7 | Fiber/mm~ | o o o Io Analysis Performed By; o Marek Pawlik kO Laboratory Director (JI

kO kO (JI