NYC-WTC_000231431

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 28, 2001 Client#: 101171 Work Area: N/A RCS Project #121

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] 3028 011028 Park Place and Church 10/28/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3029 021028 Park Place and Greenwich__________ 10/28/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3030 031028 Murray and Church________________ 10/28/01 15.00 45 675.0 7.00 100 8.92 0.005 0.004 3031 041028 Murray and Greenwich_____________ 10/28/01 15.00 45 675.0 2.50 100 3.18 <LOD 0.004 3032 051028 Fulton and Church 10/28/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3035 061028 Warren and North End_____________ 10/28/01 14.75 45 663.8 4.00 100 5.10 <LOD 0.004 3036 071028 West Street and Warren____________ 10/28/01 15.00 45 675.0 0.50 100 0.64 <LOD 0.004 3042 081028 Gateway Plaza___________________ 10/28/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3043 091028 South End Avenue and Albany_______ 10/28/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3044 101028 West and Albany_________________ 10/28/01 14.90 45 670.5 5.00 100 6.37 <LOD 0.004 3045 111028 Rector Place by park______________ 10/28/01 14.90 45 670.5 1.00 100 1.27 <LOD 0.004 3046 121028 3rd Place and West End and Waterside 10/28/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3047 131028 West end of West Thames 10/28/01 14.00 45 630.0 4.00 100 5.10 <LOD 0.004 3037 141028 Park Place and River Terrace________ 10/28/01 14.50 45 652.5 2.00 100 2.55 <LOD 0.004 3038 151028 River Terrace and Chambers________ 10/28/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3039 161028 River Terrace and Warren 10/28/01 14.75 45 663.8 5.00 100 6.37 <LOD 0.004 3040 171028 North End and Park Place 10/28/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3041 181028 Vesey and River Terrace___________ 10/28/01 14.75 45 663.8 3.00 100 3.82 <LOD 0.004 3033 191028 Trinity Place and Thames___________ 10/28/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 3034 201028 Vesey and West Broadway__________ 10/28/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3048 FBI Field Blank 1_____________________ 10/28/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3049 FB2 Field Blank 2 10/28/01 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 Io o co Analysis Performed By: A4 ^.24 co Marek Pawlik co o Laboratory Director co o

NYC-WTC_000231554