NYC-WTC_000206569

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: 6/27/02 8:00:00 PM Warren & Panzer Engineers , P.C. ATC Group#: 8315 228 E. 45th Sti-eet Analysis Date: 6/28/02 New York NY 10017

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

Project: NYC-DEP W & P File #: 1079.01.02 63 Wall Street

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos /Irea Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5/1-5 5ju (S/cc) (S/mm^j (S/cc) Notes

001 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 8515 -1

002 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 85/5 -2

003 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 85/5 -5

004 1310.00 C.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 83/5 -4

005 1.310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 83/5 -5

009 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 83/5 -6

010 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 8315 -7

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This’Ho !3 only responsible far data reported in stnjctlires/mm5 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 endoreemert 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 PLfATEM #101187-0, NY State ELAP #10879

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