NYC-WTC_000206542

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: 6/24/02 7:00:00 AM Warren & Panzer Engineers, P.C. ATC Group#: 8254 228 E. 45th Street Analysis Date; 6/24/02 New York NY 10017 Fax: (212) 922-0630 Phone: (212) 922-0077 Project: NYC-DEP W & P File #: 1079.01.02 26 Wall Street

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CER Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5fi-5 5p (S/cc) (S/mm^) (S/cc) Notes

CN62302-I 1500 00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 8254 -!

CN62302-2 1500.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 8234 -2

CN62302-3 15OO.OO 0-0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 8254 -3

CN62302-4 jjoo.oo 0 0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 5757 -7

CN62302-5 1500.0O 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 S254 -5

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: iproved 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 for 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 forNVLAP PLM/TEM #101187-0, NY State ELAP #10879

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