PCM Air Sample Analysis Summary for WTC, March 2002

NYC 9/11 Public Portal Document

Services, Inc. enata onsulting 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: January 14,2002 Client#: 101171 Work Area: N/A RCS Project # 196

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected fliters/min.l fminutesl flitersl fFiber/mm’l [Eiber/cci [Fiber/cci 4556 010114 Park Place and Church 1/14/02 14.80 45 666.0 8.00 100 10.19 0.006 0.004 4557 020114 Park Place and Greenwich 1/14/02 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 4558 030114 Murray and Church________________ 1/14/02 14.80 45 666.0 5.50 100 7.01 <LOD 0.004 4559 040114 Murray and Greenwich_____________ 1/14/02 14.80 45 666.0 4.00 100 5.10 <LOD 0.004 4560 050114 Fulton and Church 1/14/02 14.80 45 666.0 7.00 100 8.92 5?/O.OO5 0.004 4542 060114 V\ferren and North End 1/14/02 14.60 45 657.0 3.00 100 3.82 ■ ■ <LOD 0.004 4543 070114 West Street and Warren 1/14/02 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 4549 080114 Gateway Plaza___________________ 1/14/02 14.50 45 652.5 6.00 100 7.64 ^70.005 0.004 4550 090114 South End Avenue and Albany________ 1/14/02 15.00 45 675.0 2.00 100 2.55 <LOD 0.004 4551 100114 West and Albany__________________ 1/14/02 14.75 45 663.8 9.50 100 12.10 S2.0.007 0.004 4552 110114 Rector Place by park______________ 1/14/02 14.75 45 663.8 4.00 100 5.10 <LOD 0.004 4553 120114 3rd Place and South End and Waterside 1/14/02 14.75 45 663.8 2.00 100 2.55 <LOD 0.004 4554 130114 West end of West Thames 1/14/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 4544 140114 Park Place and River Terrace 1/14/02 14.60 45 657.0 4.50 100 5.73 <LOD 0.004 4545 150114 River Terrace and Chambers 1/14/02 14.60 45 657.0 2.00 100 2.55 <LOD 0.004 4546 160114 River Terrace and Warren 1/14/02 14.30 45 643.5 5.00 100 6.37 <LOD 0.004 4547 170114 North End and Park Place 1/14/02 14.60 45 657.0 4.00 100 5.10 <LOD 0.004 4548 180114 Vesey and River Terrace___________ 1/14/02 14.30 45 643.5 2.00 100 2.55 <LOD 0.004 4555 190114 Trinity Place and Thames___________ 1/14/02 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 4561 200114 Vesey and West Broadway__________ 1/14/02 14.80 45 666.0 6.00 100 7.64 76^0.004 0.004 4562 FBI Field Blank 1/14/02 0.00 0 0.0 0.00 100 0.00 N/A N/A 4563 FB2 Field Blank 1/14/02 0.00 0 0.0 0.00 100 0.00 N/A N/A

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'J Limit of Detection (LOD) = 7 [Fiber/mm^j

Analysis Perfonned By; Marek Pawlik Laboratory Director

NYC-WTC_000161876