NYC-WTC_000187341

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o Renata (consulting Services, Inc. U c o CT o oo 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fax 201 678 1789 o' U o O 3. Certificate of Analysis 03

V Project Location: WTC, NYC Analysis Date: November 5, 2001 o Client: Rivetpoint, Inc o o c Client#: 101171 „• Work Area: N/A RCS Project # 129 3 CD O 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.] fminutes] Piters! fFiber/mtn^l fFiber/cc] fFiber/cc] 3204 011105 Park Place and Church 11/5/01 15.00 45 675.0 13.00 100 16.56 0.009 0.004 3205 021105 Park Place and Greenwich . 11/5/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 Murray and Church a - - 11/5/01 14.50 45 652.5 5.00 100 6.37 <LOD 0.004 3207 041105 Murray and Greenwich ■ _______ 11/5/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3208 051105 Fulton and Church ? yr . ______ 11/5/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3211 061105 Warren and North End < _______ 11/5/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3212 071105 West Street and Warren ________ 11/5/01 15.00 45 675.0 6.50 100 8.28 0.005 0.004 3218 081105 Gateway Plaza _______ 11/5/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3219 091105 South End Avenue and Albany_______ 11/5/01 14.90 47 700.3 1.50 100 1.91 <LOD 0.004 3220 101105 West and Albany _______ 11/5/01 14.30 50 715.0 3.00 100 3.82 <LOD 0.004 3221 111105 Rector Place by parkyya^ _____ 11/5/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3222 121105 3rd Place and West End and Waterside 11/5/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3223 131105 West end of West Thames _______ 11/5/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3213 141105 Park Place and River Terrace ______ 11/5/01 14.50 45 652.5 3.50 100 4.46 <LOD 0.004 3214 151125 River Terrace and Chambers 11/5/01 14.75 45 663.8 2.00 JOO 2.55 <LOD 0.004 3215 151125 River Terrace and Warren 11/5/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3216 171105 North End and Park Place _______ 11/5/01 14.75 45 663.8 7.00 JOO 8.92 0.005 0.004 3217 181105 Vesey and River Terrace __ 11/5/01 14.75 54 796.5 2.00 100 2.55 <LOD 0.003 3209 191105 Trinity Place and Thames _______ 11/5/01 15.00 45 675.0 17.50 100 22.29 0.013 0.004 3210 201105 Vesey and West Broadway _______ 11/5/01 15.00 45 675.0 12.00 100 15.29 0.009 0.004 3224 FB1 Field Bianki 11/5/01 0.00 0 0.0 0.00 JOO 0.00 N/A N/A 3225 FB2 Field Blank 2 ; k< < 11/5/01 0.00 0 0.0 0.00 100 0.00 N/A N/A o H k; ELAP ID No. 11750 Expire? Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 I Limit of Quantitation (LOQ) - 102 [Fiber/mm^] I o Limit of Detection (LOD) = 7 [Fiber/imm^] o I o Analysis Performed By: o ro Marek Pawlik ' ^r' Laboratory Direcfor ' o 'V"' Jia