NYC-WTC_000231623

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 10, 2001 Client#: 101171 Work Area: N/A RCS Project # 134

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] 3314 011110 Park Place and Church 11/10/01 14.80 45 666.0 6.50 100 8.28 0.005 0.004 3315 021110 Park Place and Greenwich__________ 11/10/01 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 3316 031110 Murray and Church________________ 11/10/01 15.00 45 675.0 9.00 100 11.46 0.007 0.004 3317 041110 Murray and Greenwich_____________ 11/10/01 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 3318 051110 Fulton and Church 11/10/01 14.80 45 666.0 12.00 100 15.29 0.009 0.004 3321 061110 Warren and North End_____________ 11/10/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 3322 071110 West Street and Warren____________ 11/10/01 14.60 45 657.0 5.00 100 6.37 <LOD 0.004 3328 081110 Gateway Plaza___________________ 11/10/01 14.70 45 661.5 6.00 100 7.64 0.004 0.004 3329 091110 South End Avenue and Albany_______ 11/10/01 14.70 46 676.2 4.00 100 5.10 <LOD 0.004 3330 101110 West and Albany_________________ 11/10/01 14.70 45 661.5 3.00 100 3.82 <LOD 0.004 3331 111110 Rector Place by park______________ 11/10/01 14.70 45 661.5 4.50 100 5.73 <LOD 0.004 3332 121110 3rd Place and West End and Waterside 11/10/01 14.70 47 690.9 2.00 100 2.55 <LOD 0.004 3333 131110 West end of West Thames 11/10/01 14.70 46 676.2 3.00 100 3.82 <LOD 0.004 3323 141110 Park Place and River Terrace________ 11/10/01 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 3324 151110 River Terrace and Chambers________ 11/10/01 14.60 45 657.0 3.00 100 3.82 <LOD 0.004 3325 161110 River Terrace and Warren 11/10/01 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 3326 171110 North End and Park Place 11/10/01 14.00 45 630.0 3.00 100 3.82 <LOD 0.004 3327 181110 Vesey and River Terrace___________ 11/10/01 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 3319 191110 Trinity Place and Thames___________ 11/10/01 15.00 45 675.0 11.50 100 14.65 0.008 0.004 3320 201110 Vesey and West Broadway__________ 11/10/01 14.80 45 666.0 8.50 100 10.83 0.006 0.004 3334 FBI Field Blank 1_____________________ 11/10/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3335 FB2 Field Blank 2 11/10/01 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 CR Laboratory Director O kD

NYC-WTC_000231623