NYC-WTC_000202767

NYC 9/11 Public Portal Document

^Z'onsulting Services, Inc. nata 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 11, 2001 Client#: 101171 Work Area: N/A RCS Project # 135

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LCD Collected flitera/min.] [minutes] [litersi [Fiber/mml fFiber/cc1 [Fiber/cc] 3336 011111 Park Place and Church_____________ 11/11/01 14.60 44 642.4 4.00 100 5.10 <LOD 0.004 3337 021111 Park Place and Greenwich___________ 11/11/01 14.60 46 671.6 5.00 100 6.37 <LOD 0.004 3338 031111 Murray and Church_________________ 11/11/01 14.60 45 657.0 7.50 100 9.55 0.006 0.004 3339 041111 Murray and Greenwich______________ 11/11/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3340 051111 Fulton and Church_________________ 11/11/01 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 3343 061111 Warren and North End______________ 11/11/01 14.30 45 643.5 4.50 100 5.73 <LOD 0.004 3344 071111 West Street and Warren 11/11/01 14.60 45 657.0 8.00 100 10.19 0.006 0.004 3350 081111 Gateway Plaza____________________ 11/11/01 15.00 45 675.0 1.00 100 1.27 <OD 0.004 3351 091111 South End Avenue and Albany_______ 11/11/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 3352 101111 West and Albany__________________ 11/11/01 14.90 45 670.5 2.00 100 2.55 <LOD 0.004 3353 111111 Rector Place by park_______________ 11/11/01 14.90 45 670.5 1.50 100 1.91 <LOD 0.004 3354 121111 3rd Place and West End and Waterside 11/11/01 15.00 45 675.0 3.00 100 3.82 <LOD 0.004 3355 131111 West end of West Thames 11/11/01 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 3345 141111 Park Place and River Terrace 11/11/01 14.30 45 643.5 6.00 100 7.64 0.005 0.004 3346 151111 River Terrace and Chambers 11/11/01 14.30 45 643.5 3.50 100 4.46 <LOD 0.004 3347 161111 River Terrace and Warren 11/11/01 14.60 45 657.0 3.00 100 3.82 <LOD 0.004 3348 171111 North End and Park Place___________ 11/11/01 14.60 45 657.0 7.50 100 9.55 0.006 0.004 3349 181111 Vesey and River Terrace____________ 11/11/01 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 3341 191111 Trinity Place and Thames___________ 11/11/01 14.60 46 671.6 9.00 100 11.46 0.007 0.004 3342 201111 Vesey and West Broadway__________ 11/11/01 14.60 45 657.0 6.00 100 7.64 0.004 0.004 3356 FBI Field Blank 1 11/11/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 3357 FB2 Field Blank 2 11/11/01 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

so Limit of Quantitation (LOQ) = 102 [Fiber/mm^] Limit of Detection (LOD) = 7 [Fiber/mm^] o Io Analysis Performed By: o co Marek Pawlik kO co Laboratory Director o o co

NYC-WTC_000202767