NYC-WTC_000206461

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; 6/13/02 8:00:00 PM Warren & Panzer Engineers, P.C. ATC Group#: 8092 228 E. 45th Street Analysis Date; 6/14/02 New York NY 10017 Fax: (212)922-0630 Phone: (212)922-0077

Project: NYC-DEP W & P File #; 1079.01.02 116 Nassau Street, New York, NY

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) 0.5ft-5 Su (S/cc) (S/mm^) (S/cc) Notes

03 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 8092 -/

04 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 S092 -2

05 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 8092 -8

06 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 8092 -4

07 1350.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 8092 -5

MARK PEYSAKHOy MICHAEL A. GORYCKl, 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 lab is only responsible for 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 PLMZTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000206461