NYC-WTC_000187539

NYC 9/11 Public Portal Document

^^onsulting Services, Inc. nata 304 Edgemont Terrace Teaneok NJ 07666 201 692 7967 fax 201 678 1789

Certificate of Analysis Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: November 17,2001 Client#; 101171 Work Area: N/A RCS Project # 142

PCM Air Sample Analysis Summary Lab ID Client ID Sample Deacription Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liten/min.1 [minutet] [liten] [Fiber/min^] [Fiber/ee] [Fibor/ool 3474 011117 Park Place and Church 11/17/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3475 021117 Park Place and Greenwich 11/17/01 14.80 45 666.0 2.50 100 3.18 <LOD 0.004 3476 031117 Murray and Church_______________ 11/17/01 14.60 45 657.0 6.00 100 7.64 0.004 0.004 3477 041117 Murray and Greenwich____________ 11/17/01 14.80 45 666.0 3.00 100 3.82 <LOD 0.004 3478 051117 Fulton and Church 11/17/01 14.80 45 666.0 3.00 100 3.82 <LOD 0.004 3481 061117 Warren and North End 11/17/01 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 3482 071117 West Street and Warren 11/17/01 14.30 ___ 45 643.5 2.00 100 2.55 <LOD 0.004 3486 081117 Gateway Plaza__________________ 11/17/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3489 091117 South End Avenue and Albany______ 11/17/01 15.00 ____ 45 675.0 4.50 100 5.73 <LOD 0.004 3490 101117 West and Albany________________ 11/17/01 14.90 45 670.5 7.00 100 8.92 0.005 0.004 3491 111117 Rector Place by park_____________ 11/17/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3492 121117 3rd Place and West End and Waterside 11/17/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3493 131117 West end of West Thames 11/17/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3483 141117 Park Place and River Terrace 11/17/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3484 151117 River Terrace and Chambers 11/17/01 14.60 45 657.0 1.00 100 1.27 <LOD 0.004 3485 161117 River Terrace and Warren 11/17/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 3486 171117 North End and Park Place 11/17/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3487 181117 Vesey and River Terrace___________ 11/17/01 14.60 45 657.0 3.50 100 4.46 <LOD 0.004 3479 191117 Trinity Place and Thames__________ 11/17/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3480 201117 Vesey and West Broadway_________ 11/17/01 14.80 45 666.0 6.00 100 7.64 0.004 0.004 3494 FBI Field Blank 1 11/17/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3495 FB2 Field Blank 2 11/17/01 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 I—i Limit of Quantitation (LOQ) = 102 [Fiber/mm^] S Limit of Detection (LOD) = 7 [Fiber/mm^] o I—i o o I Analysis Performed By: o o Marek Pawlik (JI Laboratory Director

o GJ

NYC-WTC_000187539