NYC-WTC_000206539

NYC 9/11 Public Portal Document

Attn: Mr. Fabio Pedone Received: 6/22/02 11:00:00 PM WaiTen & Panzer Engineers , P.C. ATC Group#: 8231 228 E. 45th Street Analysis Date: 6/23/02 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 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5fi-5 5ft (S/cc) (S/inin-) (S/cc) Notes

JB62202-8 ,620.00 0.0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 S23I -8

.1B62202-9 1620.00 0.0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 S23! -9

JB62202-10 ,620.00 0 0562 0 None Detected 0 0 0.0042 <17.79 <0.0042 523i -10

ROMAN PEYSAKHOV MICHAEL A. GORYCK!, Ph.D.

Analyzed oy:

Disclaimer: The laboratory is not responsible for data reported in struclures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only 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. Guaiiry control data (including 95% confidence limits anc laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PUd/TEM #101187-0, NY State ELAP #10879

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