NYC-WTC_000187526

NYC 9/11 Public Portal Document

I^enata ^Z'onsulting Services, 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: March 27, 2002 Client#: 101171 Work Area: N/A RCS Project # 272

PCM Air Sample Analysis Summary LAID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collested [liteis/min.l [minutes] [liters] [Fiber/mm^l FFiber/ool [Fiber/oo] 6140 010327 Park Place and Church 3/27/02 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 6141 020327 Park Place and Greenwich 3/27/02 14.30 45 643.5 8.00 100 10.19 0.006 0.004 6142 030327 Murray and Church_______________ 3/27/02 15.00 45 675.0 6.00 100 7.64 0.004 0.004 6143 040327 Murray and Greenwich_____________ 3/27/02 14.05 45 632.3 5.00 100 6.37 <LOD 0.004 6144 050327 Fulton and Church 3/27/02 14.30 45 643.5 1.00 100 1.27 <LOD 0.004 6127 060327 Warren and North End 3/27/02 14.70 45 661.5 1.00 100 1.27 <LOD 0.004 6128 070327 West Sfreet and Warren 3/27/02 14.45 45 650.3 3.00 100 3.82 <LOD 0.004 6134 080327 Gateway Plaza__________________ 3/27/02 15.00 45 675.0 1.00 100 1.27 <LOD 0.004 6135 090327 South End Avenue and Albany_______ 3/27/02 15.00 45 675.0 3.50 100 4.46 <LOD 0.004 6136 100327 West and Albany_________________ 3/27/02 14.73 45 662.9 0.50 100 0.64 <LOD 0.004 6137 110327 Rector Place by park______________ 3/27/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 6138 120327 3rd Place and South End and Waterside 3/27/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 6139 130327 West end of West Thames 3/27/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 6129 140327 Park Place and River Terrace 3/27/02 14.70 45 661.5 2.00 100 2.55 CLOD 0.004 6130 150327 River Terrace and Chambers 3/27/02 14.70 45 661.5 5.00 100 6.37 CLOD 0.004 6131 160327 River Terrace and Warren 3/27/02 14.70 45 661.5 2.00 100 2.55 CLOD 0.004 6132 170327 North End and Park Place__________ 3/27/02 14.70 45 661.5 3.00 100 3.82 CLOD 0.004 6133 180327 Vesey and River Terrace___________ 3/27/02 14.45 45 650.3 4.00 100 5.10 CLOD 0.004 6145 190327 Trinity Place and Thames___________ 3/27/02 14.05 45 632.3 2.00 100 2.55 CLOD 0.004 6146 200327 Vesey and West Broadway_________ 3/27/02 14.30 45 643.5 4.00 100 5.10 CLOD 0.004 6147 FB1 Field Blank_____________________ Z127IQ2 0.00 0 0.0 0.00 100 0.00 N/A N/A 6148 FB2 Field Blank 3/27/02 0.00 0 0.0 0.00 100 0.00 N/A N/A o H K ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 I to Limit of Quantitation (LOQ) = 1021 Fiber/mm“| s O Limit of Detection (LOD) = 7 [Fiber/mm^] o o Io Analysis Performed By: o Marek Pawlik Laboratory Director CD

CD

NYC-WTC_000187526