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 U„ Phone: (212) 353-5280 Fax: (212) 353-8306

.A ttn: Benjamin Sallemi Received: 9/25,02 8:00:00 AM .ATC Associates Inc. ATC Group #: 8891 104 East 25th Street Analysis Date: 9/25/02 New York NY 10010

Fax: (212)353-3599 Phone: (212)353-8280 Project: DEP Clean-up 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) O.5p-5 5p (S/cc) (S/mm') (S/cc) Notes

1500.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 889/ •L ..

-'' 181.0.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 .59/ .-

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 •891 -3

4 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 889/ -4

1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 889/ -S

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: / Ap roved by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non•laboratory personnel. This lab is only responsible !or data reported in 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 to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLM/TEM 4101187-0, NY State ELAP #10879

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