NYC-WTC_000232921

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 27, 2001 Client#: 101171 Work Area: N/A RCS Project # 157

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] 3744 011127 Park Place and Church 11/27/01 14.00 45 630.0 7.50 100 9.55 0.006 0.004 3739 021127 Park Place and Greenwich__________ 11/27/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3745 031127 Murray and Church________________ 11/27/01 14.30 45 643.5 6.00 100 7.64 0.005 0.004 3740 041127 Murray and Greenwich_____________ 11/27/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3741 051127 Fulton and Church 11/27/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3746 061127 Warren and North End_____________ 11/27/01 14.30 45 643.5 3.50 100 4.46 <LOD 0.004 3747 071127 West Street and Warren____________ 11/27/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3753 081127 Gateway Plaza___________________ 11/27/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3754 091127 South End Avenue and Albany_______ 11/27/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3755 101127 West and Albany_________________ 11/27/01 14.90 45 670.5 3.00 100 3.82 <LOD 0.004 3756 111127 Rector Place by park______________ 11/27/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3757 121127 3rd Place and West End and Waterside 11/27/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 3758 131127 West end of West Thames 11/27/01 15.00 45 675.0 3.50 100 4.46 <LOD 0.004 3748 141127 Park Place and River Terrace________ 11/27/01 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 3749 151127 River Terrace and Chambers________ 11/27/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3750 161127 River Terrace and Warren 11/27/01 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 3751 171127 North End and Park Place 11/27/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 3752 181127 Vesey and River Terrace___________ 11/27/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3742 191127 Trinity Place and Thames___________ 11/27/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3743 201127 Vesey and West Broadway__________ 11/27/01 15.00 45 675.0 10.00 100 12.74 0.007 0.004 3759 FBI Field Blank 1_____________________ 11/27/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3760 FB2 Field Blank 2 11/27/01 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 Io o co Analysis Performed By: A4 ^.24 NO Marek Pawlik (JI iC. Laboratory Director

NYC-WTC_000232921