NYC-WTC_000187332

Z Z o o g -I SS 1^ o lR.enata (Consulting Services, Inc. u o c o CT oo 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fax 201 678 1789 o' Ca5 U Ca3 O ro 3. Certificate of Analysis Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date; January 25,2002 O o Work Area: N/A RCS Project #203 o c Client#: 101171 3 CD D PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected fliters/min.l (minutesi riilersi [Fiber/mm^l [Fiber/cc] [Fiber/ccl 111^ 010125 Park Place and Church 1/25/02 15.00 45 675.0 12.00 100 15.29 0.009 0.004 4711 020125 Park Place and Greenwich 1/25/02 14.80 45 666.0 6.00 100 7.64 0.004 0.004 4712 030125 Murray and Church________________ 1/25/02 14.80 45 666.0 4.50 JOO 5.73 <LOD 0.004 4713 040125 Murray and Greenwich ______ 1/25/02 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 4714 050125 Fulton and Church 1/25/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 4696 060125 Warren and North End 1/25/02 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 4697 070125 West Street and Warren 1/25/02 14.60 45 657.0 5.00 100 6.37 <LOD 0.004 4703 080125 Gateway Plaza____________________ 1/25/02 14.45 45 650.3 3.00 100 3.82 <LOD 0.004 4704 090125 South End Avenue and Albany________ 1/25/02 14.45 45 650.3 4.00 100 5.10 <LOD 0.004 4705 100125 West and Albany__________________ 1/25/02 14.70 45 661.5 2.00 100 2.55 <LOD 0.004 4706 110125 Rector Place by park_______________ 1/25/02 14.70 45 661.5 3.00 100 3.82 <LOD 0.004 4707 120125 3rd Place and South End and Waterside 1/25/02 14.70 45 661.5 2.00 JOO 2.55 <LOD 0.004 4708 130125 West end of West Thames 1/25/02 14.70 45 661.5 2.00 100 2.55 <LOD 0.004 o 1/25/02 14.60 4698 140125 Park Place and River Terrace 45 657.0 2.00 J^ 2.55 <LOD 0.004 1^ 4699 150125 River Terrace and Chambers 1/25/02 14.60 45 657.0 1.00 JOO 1.27 <LOD 0.004 o 4700 160125 River Terrace and Warren 1/25/02 14.60 45 657.0 2.00 JOO 2.55 <LOD 0.004 m 4701 170125 North End and Park Place 1/25/02 14.60 45 657.0 2.00 JOO 2.55 <LOD 0.004 4702 180125 Vesey and River Terrace____________ 1/25/02 14.30 45 643.5 _4^ 100 5.10 <LOD ■ 0.004 4709 190125 Trinity Place and Thames___________ 1/25/02 14.70 45 661.5 5.00 JOO 6.37 <LOD 0.004 o 1/25/02 14.80 45 6.00 J] 4715 200125 Vesey and West Broadway__________ 666.0 100 7.64 0.004 0.004 □0 4716 FBI Field Blank _____________ 1/25/02 0.00 0 0.0 0.00 JOO 0.00 N/A N/A 4717 FB2 Field Blank ______________________ 1/25/02 0.00 0 0.0 0.00 100 0.00 N/A N/A > z ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 5 Limit of Quantitation (LOQ) = 102 [Fiber/mm^]

cc □0 Limit of Detection (LOD) = 7 [Fiber/mm^]

l"” Analysis Performed By: o Marek Pawlik o o Laboratory Director o r\a CD CD c» o