Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates • 104 East 25 Street, New York, NY 10010 Y Phone:(212) 353-8280 Fax:(212)353-8306

Attn: Benjamin Sallemi Received: 9/30/02 8:00:00 AEI ATC Associates Inc. ATC Group #: 8915 104 East 25th Street Analysis Date: 9/30/02 New York NY 10010

Fax: (212)353-3599 Phone: (212)353-8280

Project: DEP Clean-up ATC Project.,: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.Sp-S Sp (S/cc) (S/mm') (S/cc) Notes

03 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 89/3 -1

04 1800.00 0.0450 0 CHRYSOTILE I 0 0.0048 22.24 0.0048 99/3 _2

5 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8915 -3

06 1800,00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3911 -t

0 1800.00 0.0450 0 None Detected !) 0 0.00=18 <22.24 <0.0048 3915 -5

OV MICHAEL A. GORYCKI, Ph.D ROMAN PEYSA

•Analyzed by: proved by:

Disclaimer• The laboratory :s not responsible for data reported in structures/cc. which is depenoent on volume lected oy non•taooratory personnel. This only -esponsiole or data reposed n srrucures/mm'. This report may not be reproduced. exceol in lull. without written approval by ATC Assoc aces Inc. This reoon may not be used to c!arm

. product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only :0 the samples reported aoove. Quality control data tincluoing 95°!o confidence limits and laboratory and analysis' accuracy and precision) is available uoon request.

Accretited for NVLAP PLMITEM $101187-0. NY State ELAP #10879

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