NYC-WTC_000231620

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: October 30, 2001 Client#: 101171 Work Area: N/A RCS Project # 123

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] 3072 011030 Park Place and Church 10/30/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3073 021030 Park Place and Greenwich__________ 10/30/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3074 031030 Murray and Church________________ 10/30/01 15.00 45 675.0 7.50 100 9.55 0.005 0.004 3075 041030 Murray and Greenwich_____________ 10/30/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3076 051030 Fulton and Church 10/30/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3079 061030 Warren and North End_____________ 10/30/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 3080 071030 West Street and Warren____________ 10/30/01 14.75 45 663.8 7.00 100 8.92 0.005 0.004 3086 081030 Gateway Plaza___________________ 10/30/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3087 091030 South End Avenue and Albany_______ 10/30/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3088 101030 West and Albany_________________ 10/30/01 14.40 50 720.0 5.50 100 7.01 0.004 0.004 3089 111030 Rector Place by park______________ 10/30/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3090 121030 3rd Place and West End and Waterside 10/30/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3091 131030 West end of West Thames 10/30/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3081 141030 Park Place and River Terrace________ 10/30/01 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 3082 151030 River Terrace and Chambers________ 10/30/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3083 161030 River Terrace and Warren 10/30/01 14.75 45 663.8 6.00 100 7.64 0.004 0.004 3084 171030 North End and Park Place 10/30/01 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 3085 181030 Vesey and River Terrace___________ 10/30/01 14.75 45 663.8 3.00 100 3.82 <LOD 0.004 3077 191030 Trinity Place and Thames___________ 10/30/01 15.00 45 675.0 11.00 100 14.01 0.008 0.004 3078 201030 Vesey and West Broadway__________ 10/30/01 15.00 45 675.0 9.50 100 12.10 0.007 0.004 3092 FBI Field Blank 1_____________________ 10/30/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3093 FB2 Field Blank 2 10/30/01 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 co Marek Pawlik kD Laboratory Director co CR O

NYC-WTC_000231620