NYC-WTC_000187350

NYC 9/11 Public Portal Document

(Consulting Services, Inc, Renata 304 Edgemont Terrace Teatieck NJ 07666 201692 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 Dutation Volume Fibers Fields Density Fiber Cone. LCD Collected [liienymin] [minutes] [liters] [Fiber/mm^] [Fiber/cc] [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 <LOD 0.004 South End Avenue and Albany 11/11/01 15.00 45 675.0 4.00 100 5.10 <LOD 0.004 West and Albany 11/11/01 14.90 45 670.5 2.00 100 2.55 <LOD 0.004 3353 mill 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 O 11/11/01 14.30 45 3346 151111 River Terrace and Chambers 643.5 3.50 100 4.46 <LOD 0.004 3347 161111 River Terrace and Warren___________ 11/11/01 14.60 45 657.0 2:00 100 3.62 <LOD 0.004 o 3348 171111 North End and Park Place___________ 11/11/01 14.60 45 657.0 7.50 100 9.55 0.006 0.004 m 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 o 3356 FBI Field Blank 1_____________________ 11/11/01 0.00 0 0.0 0:00 wo 0.00 N/A N/A J] □0 3357 FB2 Field Blank 2 11/11/01 0.00 0 0.0 0.00 100 0.00 N/A N/A

> z ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 z Limit of Quantitation (LOQ) = 102 [Fiber/mm^] l> Limit of Detection (LOD) = 7 [Fiber/mm^] CD c □0 Analysis Performed By: o Marek Pawlik o Laboratory Director o o co o r\a

NYC-WTC_000187350