PCM Air Sample Analysis Summary for WTC, March 2002

NYC 9/11 Public Portal Document

I^enata Services, Inc. onsuliing 304 Edgemont Terrace Teaneck NJ 07666 201692 7967 fax 201 678 1789

Certificate of Analysis Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: January 10, 2ft Client#: 101171 Work Area: N/A RCS Project# 192 X

PCM Air Sample Analysis Summan' Lab ID Client ID Sample Description Date Flow Rate Duration Volume yibers Fields Density / Fiber Cone. LOD Collected [liters.'min.l [minutesl [litersl [Fiber/^l [ITiber/ccl {Fiber/ccj 4468 010110 Park Place and Church 1/10/02 14.80 45 666.0 Voo 100 A? 1l(i 0.0050.004 4469 020110 Park Place and Greenwich 1/10/02 15.00 45 675.0 ^00 100 /6.3\ <LOD 0.004 4470 030110 Murray and Church________________ 1/10/02 14.80 45 666.0 8\o 100 / 10.83 Y^.OO6 0.004 4471 040110 Murray and Greenwich_____________ 1/10/02 15.00 45 675.0 4.0\, 5.10 \ <LOD ■"0.004 4472 050110 Fulton and Church 1/10/02 15.00 45 675.0 2.00 100 2.55 \LOD-^0.004 4454 060110 Warren and North End 1/10/02 14.30 45 643.5 3.00 100 3.82 <DSP- "0.004 4455 070110 West Street and Warren 1/10/02 14.30 45 643.5 4.00 100 5.10 <LOD- 0.004 4461 080110 Gateway Plaza___________________ 1/10/02 14.70 45 661.5 3.00 100 3.82 <LOD-^0.004 4462 090110 South End Avenue and Albany________ 1/10/02 14.70 45 661.5 6.00 100 7.64 0.004 0.004 4463 100110 West and Albany__________________ 1/10/02 14.45 45 650.3 2.00 100 2.55 <LOD 0.004 4464 110110 Rector Place by park______________ 1/10/02 14.70 45 661.5 2.00 100 2.55 <LOD 0.004 4465 120110 3rd Place and South End and Waterside 1/10/02 14.70 45 661.5 6.00 100 7.64 ;j^.004- '0.004 4466 130110 West end of West Thames 1/10/02 14.70 45 661.5 5.00 100 6.37 <LQP--^0.004 4456 140110 Park Place and River Terrace 1/10/02 14.30 45 643.5 2.00 100 2.55 <1013-" 0.004 4457 150110 River Terrace and Chambers 1/10/02 14.60 45 657.0 4.00 100 5.10 <LOD-^ 0.004 4458 160110 River Terrace and Warren 1/10/02 14.60 45 657.0 2.00 100 2.55 <LOD- ^0.004 4459 170110 North End and Park Place 1/10/02 14.60 45 657.0 2.00 100 2.55 <LOD-'' 0.004 4460 180110 Vesey and River Terrace___________ 1/10/02 14.30 45 643.5 5.00 100 6.37 <100- " 0.004 4467 190110 Trinity Place and Thames___________ 1/10/02 14.70 45 661.5 4.00 100 5.10 <LOCr 0.004 4473 200110 Vesey and West Broadway__________ 1/10/02 14.80 45 666.0 4.00 100 5.10 <LOI7 0.004 4474 210110 Field Blank 1/10/02 0.00 0 0.0 0.00 100 0.00 N/A N/A 4475 220110 Field Blank 1/10/02 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'] Limit of Detection (LOD) = 7 [Fiber/mm‘]

Analysis Performed By; AU Marek Pawlik Laboratory Director

NYC-WTC_000161873