NYC-WTC_000187528

NYC 9/11 Public Portal Document

^^^enata (Consulting 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: February 19, 2002 Client#; 101171 Work Area: N/A RCS Project #232

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/min.] [minutes] [litersj fFiber/mm’l rFiber/ccl fFiber/cc] 5289 010219 Park Place and Church 2/19/02 14.30 45 643.5 4.00 100 5.10 <LOD 0.004 5290 020219 Park Place and Greenwich 2/19/02 14.05 45 632.3 5.00 100 6.37 <LOD 0.004 5291 030219 Murray and Church_________________ 2/19/02 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 5292 040219 Murray and Greenwich 2/19/02 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 5293 050219 Fulton and Church 2/19/02 14.05 45 632.3 6.00 100 7.64 0.005 0.004 5275 060219 Warren and North End 2/19/02 14.70 45 661.5 7.50 100 9.55 0.006 0.004 5276 070219 West Street and Warren 2/19/02 14.45 45 650.3 6.00 100 7.64 0.005 0.004 5282 080219 Gateway Plaza_____________________ 2/19/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 5283 090219 South End Avenue and Albany 2/19/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 5284 100219 West and Albany___________________ 2/19/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 5^ 110219 Rector Place by park_______________ 2/19/02 15.00 45 675.0 9.00 100 11.46 0.007 0.004 5286 120219 3rd Place and South End and Waterside 2/19/02 15.00 45 675.0 5.00 100 6.37 <LOD 0.004 5287 130219 West end of West Thames 2/19/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 5277 140219 Park Place and River Terrace 2/19/02 14.70 45 661.5 4.00 100 5.10 <LOD 0.004 5278 150219 River Terrace and Chambers 2/19/02 14.70 45 661.5 2.00 100 2.55 <LOD 0.004 5279 160219 River Terrace and Warren 2/19/02 14.45 45 650.3 3.00 100 3.82 <LOD 0.004 5280 170219 North End and Park Place 2/19/02 14.70 45 661.5 6.00 100 7.64 0.004 0.004 5281 180219 Vesey and River Terrace____________ 2/19/02 14.45 45 650.3 4.00 100 5.10 <LOD 0.004 5^ 190219 Trinity Place and Thames____________ 2/19/02 14.30 45 643.5 7.00 100 8.92 0.005 0.004 5294 200219 Vesey and West Broadway__________ 2/19/02 14.05 45 632.3 3.00 100 3.82 <LOD 0.004 5295 FBI Field Blank 2/19/02 0.00 0 0.0 0.00 100 0.00 N/A N/A 5296 FB2 Field Blank 2/19/02 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) = 102 [Fiber/mm^] o Limit of Detection (LOD) = 7 [Fiber/mm^] o

AU o I o Analysis Performed By: o to Marek Pawlik kO (JI Laboratory Director to kO co

NYC-WTC_000187528