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 31, 2001 Client#: 101171 Work Area: N/A RCS Project # 124

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] 3094 011031 Park Place and Church 10/31/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3095 021031 Park Place and Greenwich__________ 10/31/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3096 031031 Murray and Church________________ 10/31/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 3097 041031 Murray and Greenwich_____________ 10/31/01 14.50 45 652.5 5.00 100 6.37 <LOD 0.004 3098 051031 Fulton and Church 10/31/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3101 061031 Warren and North End_____________ 10/31/01 14.75 45 663.8 8.00 100 10.19 0.006 0.004 3102 071031 West Street and Warren____________ 10/31/01 14.50 45 652.5 5.00 100 6.37 <LOD 0.004 3108 081031 Gateway Plaza___________________ 10/31/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 3109 091031 South End Avenue and Albany_______ 10/31/01 14.40 50 720.0 6.00 100 7.64 0.004 0.004 3110 101031 West and Albany_________________ 10/31/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3111 111031 Rector Place by park______________ 10/31/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3112 121031 3rd Place and West End and Waterside 10/31/01 15.00 45 675.0 6.00 100 7.64 0.004 0.004 3113 131031 West end of West Thames 10/31/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 3103 141031 Park Place and River Terrace________ 10/31/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3104 151031 River Terrace and Chambers________ 10/31/01 14.75 45 663.8 5.00 100 6.37 <LOD 0.004 3105 161031 River Terrace and Warren 10/31/01 14.75 45 663.8 4.00 100 5.10 <LOD 0.004 3106 171031 North End and Park Place 10/31/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3107 181031 Vesey and River Terrace___________ 10/31/01 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 3099 191031 Trinity Place and Thames___________ 10/31/01 15.00 45 675.0 8.50 100 10.83 0.006 0.004 3100 201031 Vesey and West Broadway__________ 10/31/01 15.00 45 675.0 8.00 100 10.19 0.006 0.004 3114 FBI Field Blank 1_____________________ 10/31/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3115 FB2 Field Blank 2 10/31/01 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 co

NYC-WTC_000231557