Legal hold notice for WTC documents, undated

chata Cconsulting - Services, Inc. - 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fox 201 678 1789 TOTAL P.05

Certificate of Analysis NYC-WTC_000148334

Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: October 8, 2001 Client #: 101171 Work Area: N/A RCS Project # 099 ·

· · PCM Air Sample Analysis Summary Fitur Canc. NYC 9/11 Public Portal Document

Date Flow Raic Duration Voksne Fields Demity La$ 10 Client ID Sarapis Descriptime Collated 10/8/01 15.00 45 675 13 100 16.56 0.009 2563 011008 Park Place and Church 10/8/01 14.75 45 663.75 10 100 12.74 0.007 2564 031008 Murray and Church 10/8/01 14.50 61 884.5 10.5 100 13.38 0.006 2585 021008 Park Place and Greenwich 10/8/01 14.75 61 899.75 6 100 7.64 0.003 2566 041008 Murray and Greenwich 10/8/01 14.75 45 663.75 12 100 15.29 0.009 2587 071008 West Street and Warren 10/8/01 14.00 45 630 9.5 100 12.10 0.007 25$8 061008Warren and North End 9 0.007 10/8/01 14.00 45 630 100 11.46 2569 171008 North End and Park Place 10/8/01 14.50 45 652.5 3 100 3.82 <BDL 2570 151008 River Terrace and Chambers 6 100 10/8/01 14.00 45 630 7.64 4.005 2571 161008 River Terrace and Warren 10/8/01 15.00 45 675 4.5 100 5,73 <BDL 2572 141008 Park Place and River Terrace 10/8/01 14.50 45 652.5 4 100 5.10 <BOL 2573 1B1008 Vesey and River Terrace 1018/01 0.00 0 0 100 0.00 N/A 2574 F81 Field Blank 1 10/8J01 0.00 0 0 O 100 0.00 NIA 2575 FB2 Field Blank 2 . 10/8/01 15.00 49 735 5.5 100 1.01 0.004 2578 121008 3rd Plats and West End and Waterside 2.55 <BOL 10/8/01 15.00 48 720 2 100 2577 131008 West end of West Thames 10/8/01 14.75 51 752.25 6 100 7.64 0.004 2578 111008 Rector Place by park 18/8/01 15.00 48 720 11 100 14.01 0.007 2579 191008 Trinity Place and Thames 15.00 50 750 7 100 8.92 0.005 2580 051008 Fulton and Church 10/8/01 10/8/01 14.60 55 803 3 100 3.82 <BDL 2581 081008 Galeway Plaze 3 100 3.82 <BDL 10/8/01 14.60 50 730 091008 South End Avenue and Albany 17 21.66 0.013 10/8/01 14.80 45 666 100 2583 101008 West and Albany 10/8/01 14.60 50 730 N/A 100 N/A N/A. 2584 201008 Vesey and Wesl Broadway

ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 Limit of Quantitation (LOQ) = 102 [Fiber/mm'] Limit of Detection (LOD) = 7 [Fiber/mm'] . Sample Overloaded

Analysis Performed By:Marck Pawlik Laboratory Director