NYC-WTC_000231630

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 28, 2001 Client#: 101171 Work Area: N/A RCS Project # 158

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] 3766 011128 Park Place and Church 11/28/01 14.60 45 657.0 9.00 100 11.46 0.007 0.004 3761 021128 Park Place and Greenwich__________ 11/28/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3767 031128 Murray and Church________________ 11/28/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3762 041128 Murray and Greenwich_____________ 11/28/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3763 051128 Fulton and Church 11/28/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3768 061128 Warren and North End_____________ 11/28/01 14.30 45 643.5 3.50 100 4.46 <LOD 0.004 3769 071128 West Street and Warren____________ 11/28/01 14.30 45 643.5 3.00 100 3.82 <LOD 0.004 3775 081128 Gateway Plaza___________________ 11/28/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3776 091128 South End Avenue and Albany_______ 11/28/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 3777 101128 West and Albany_________________ 11/28/01 14.90 45 670.5 3.00 100 3.82 <LOD 0.004 3778 111128 Rector Place by park______________ 11/28/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3779 121128 3rd Place and West End and Waterside 11/28/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 3780 131128 West end of West Thames 11/28/01 15.00 45 675.0 5.50 100 7.01 <LOD 0.004 3770 141128 Park Place and River Terrace________ 11/28/01 14.30 45 643.5 3.00 100 3.82 <LOD 0.004 3771 151128 River Terrace and Chambers________ 11/28/01 14.60 45 657.0 6.00 100 7.64 0.004 0.004 3772 161128 River Terrace and Warren 11/28/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3773 171128 North End and Park Place 11/28/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3774 181128 Vesey and River Terrace___________ 11/28/01 14.30 45 643.5 1.50 100 1.91 <LOD 0.004 3764 191128 Trinity Place and Thames___________ 11/28/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3765 201128 Vesey and West Broadway__________ 11/28/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3781 FBI Field Blank 1_____________________ 11/28/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3782 FB2 Field Blank 2 11/28/01 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 o Laboratory Director to o

NYC-WTC_000231630