NYC-WTC_000205964

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: Mr. Fabio Pedone Received: 7/22/02 8:00:00 AM Warren & Panzer Engineers , P.C. ATC Group#: 8569 228 E. 45th Street Analysis Date: 7/22/02 New York NY 10017

Fax: (212)922-0630 Phone: (212)922-0077

Project: NYC DEP, W&P# 1079.01.02 125 Cedar Street

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.5fi-S Sfi (S/cc) (S/mm^) (S/cc) Notes

DEOl 1620.00 0.0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 8569 -I

DE02 1620.00 0.0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 8569 -2

DE03 1620.00 0.0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 8569 -3

DE04 1620.00 0.0562 0 CHRYSOTILE 0 1 0.0042 17.79 0.0042 8569 -I

DEOS 1620,00 0.0562 0 CHRYSOTILE I I 0.0042 35.59 0.0085 8569 -5

ROMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph D.

Analyzed by: Apnrov^by:

Disclaimer: The laboratory is not responsible (or data reported in stnictures/cc, which is dependent on volume collected by non-laboratory personnel. This ily responsible for data reported in structures/mmL 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 #101187-0, NY State ELAP #10879

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