NYC-WTC_000233906

NYC 9/11 Public Portal Document

cnata V^onsulting c kJcrviccs, Inc. 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fax 201 678 1789

Certificate of Analysis Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: November 18, 2001 Client#: 101171 Work Area: N/A RCS Project # 143

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/mrn.] [minutes] [liters] [Fiber/mm"] [Fiber/cc] [Fiber/cc] 3496 011118 Park Place and Church 11/18/01 14.30 45 643.5 12.00 100 15.29 0.009 0.004 3497 021118 Park Place and Greenwich__________ 11/18/01 14.80 45 666.0 6.00 100 7.64 0.004 0.004 3498 031118 Murray and Church________________ 11/18/01 14.00 45 630.0 10.50 100 13.38 0.008 0.004 3499 041118 Murray and Greenwich_____________ 11/18/01 14.80 45 666.0 8.50 100 10.83 0.006 0.004 3500 051118 Fulton and Church 11/18/01 14.80 45 666.0 3.00 100 3.82 <LOD 0.004 3503 061118 Warren and North End_____________ 11/18/01 14.30 45 643.5 3.00 100 3.82 <LOD 0.004 3504 071118 West Street and Warren____________ 11/18/01 14.30 45 643.5 1.00 100 1.27 <LOD 0.004 3510 081118 Gateway Plaza___________________ 11/18/01 14.80 45 666.0 2.00 100 2.55 <LOD 0.004 3511 091118 South End Avenue and Albany_______ 11/18/01 14.50 45 652.5 7.50 100 9.55 0.006 0.004 3512 101118 West and Albany_________________ 11/18/01 14.50 45 652.5 5.00 100 6.37 <LOD 0.004 3513 111118 Rector Place by park______________ 11/18/01 14.80 45 666.0 2.00 100 2.55 <LOD 0.004 3514 121118 3rd Place and West End and Waterside 11/18/01 14.80 45 666.0 2.00 100 2.55 <LOD 0.004 3515 131118 West end of West Thames 11/18/01 14.50 48 696.0 4.00 100 5.10 <LOD 0.004 3505 141118 Park Place and River Terrace________ 11/18/01 14.30 45 643.5 1.00 100 1.27 <LOD 0.004 3506 151118 River Terrace and Chambers________ 11/18/01 14.00 45 630.0 3.50 100 4.46 <LOD 0.004 3507 161118 River Terrace and Warren 11/18/01 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 3508 171118 North End and Park Place 11/18/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3509 181118 Vesey and River Terrace___________ 11/18/01 14.30 45 643.5 1.00 100 1.27 <LOD 0.004 3501 191118 Trinity Place and Thames___________ 11/18/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3502 201118 Vesey and West Broadway__________ 11/18/01 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 3516 FBI Field Blank 1_____________________ 11/18/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3517 FB2 Field Blank 2 11/18/01 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 NJ Limit of Quantitation (LOQ) = 102 [Eiber/mm^] S o Limit of Detection (LOD) = 7 [Eiber/mm^] o o I o o Analysis Performed By: A4 ^.24 Marek Pawlik co co Laboratory Director CTl to Ui

NYC-WTC_000233906