NYC-WTC_000231613

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: October 11, 2001 Client#: 101171 Work Area: N/A RCS Project # 102

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. Collected [liters/min.] [minutes] [liters] [Fiber/mm^] [Fiber/cc] 2629 011011 Park Place and Church 10/11/01 15.00 45 675 6 100 7.64 0.004 2630 021011 Park Place and Greenwich__________ 10/11/01 14.50 45 652.5 3 100 3.82 <LOD 2631 031011 Murray and Church________________ 10/11/01 14.50 45 652.5 8 100 10.19 0.006 2632 041011 Murray and Greenwich_____________ 10/11/01 14.50 45 652.5 3 100 3.82 <LOD 2642 051011 Fulton and Church 10/11/01 15.25 48 732 17.5 100 22.29 0.012 2633 061011 Warren and North End_____________ 10/11/01 14.75 45 663.75 3 100 3.82 <LOD 2634 071011 West Street and Warren____________ 10/11/01 15.00 35 525 N/A 100 N/A N/A* 2648 081011 Gateway Plaza___________________ 10/11/01 14.80 48 710.4 9 100 11.46 0.006 2647 091011 South End Avenue and Albany_______ 10/11/01 14.70 48 705.6 4 100 5.10 <LOD 2649 101011 West and Albany_________________ 10/11/01 15.00 47 705 3 100 3.82 <LOD 2646 111011 Rector Place by park______________ 10/11/01 14.70 50 735 13 100 16.56 0.009 2644 121011 3rd Place and West End and Waterside 10/11/01 14.70 49 720.3 9 100 11.46 0.006 2645 131011 West end of West Thames 10/11/01 14.80 49 725.2 3 100 3.82 <LOD 2635 141011 Park Place and River Terrace________ 10/11/01 15.00 45 675 3 100 3.82 <LOD 2636 151011 River Terrace and Chambers________ 10/11/01 15.00 45 675 2 100 2.55 <LOD 2637 161011 River Terrace and Warren 10/11/01 14.75 45 663.75 4 100 5.10 <LOD 2638 171011 North End and Park Place 10/11/01 14.50 45 652.5 6 100 7.64 0.005 2639 181011 Vesey and River Terrace___________ 10/11/01 14.00 45 630 3 100 3.82 <LOD 2650 191011 Trinity Place and Thames___________ 10/11/01 15.00 48 720 2 100 2.55 <LOD 2643 201011 Vesey and West Broadway__________ 10/11/01 15.00 48 720 7 100 8.92 0.005 2640 FBI Field Blank 1_____________________ 10/11/01 0.00 0 0 0 100 0.00 N/A 2641 FB2 Field Blank 2 10/11/01 0.00 0 0 0 100 0.00 N/A o H sample overloaded ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 to

s O Limit of Quantitation (LOQ) = 102 [Eiber/mm^] Limit of Detection (LOD) = 7 [Eiber/mm^] o o Io o co Analysis Performed By: Ad ^.24 co Marek Pawlik co o Laboratory Director (JI

NYC-WTC_000231613