NYC-WTC_000205931

NYC 9/11 Public Portal Document

ATC Associates !04 East 25 Street, New York, NY 10010 LJL. Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Mr. Fabio Pedone Received: 6/8/02 10:00:00 PM Wanen & Panzer Engineers, P.C. ATC Group#: 8015 228 E. 45th Street Analysis Date: 6/9/02 New York NY 10017 Fax: (212) 922-0630 Phone: (212) 922-0077 Project: NYC DEP 181 Broadway, Roof Clean-Up

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) 0.5fl. 5 Sfi /5'/cc> (S/mnP) (S/cc) Notes

01 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 SO/5 -/

02 1440.00 0.0562 0 None Delected 0 0 0.0048 < 17.79 <0.0048 SO IS -2

05 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 SO 15 -J

04 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 SO 15 -4

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 tor data reported in structures/mmT 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 PLIWTEM #101187-0, NY State ELAP #10879

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