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

• Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Benjamin Sallerni Received: 10/9/02 3:15:00 PM ATC Associates Inc. ATC Group #: 8953 104 East 25th Street Analysis Date: 10/12/02 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) O5p-5 5p (S/cc) (S/mm') (S/cc) Notes

4 2040.00 0.0450 0 None Detected 0 0 0.0042 <22.24 <0.0042 8953 -1

5 2040.00 0.0450 0 None Detected 0 0 0.0042 <22.24 <0.0042 3953 -2

2044.00 0.0450 0 None Detected 0 0 0.0042 <22.24 <0.0042 *3953 -3

7 2040.00 0.0450 0 None Detected 0 0 0.0042 <22.24 <0.0042 3953 -4

8 2044.00 0.0450 0 None Detected 0 0 0.0042 < 22.24 <0.0042 8953 -5

ROMAN PEYSA V MICHAEL A. GORYCKI, Ph.D.

.Analyzed by: proved by: il~C

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume col ected by non-laboratory personnel. This lab only responsible for data reported m structures/mm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim

• product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only :o the samples reponea aoove. Quality control data linc:uding 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMITEM 1.101187.0, NY State ELAP $10879

tlondav, October 14, 2002 Page / of!

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