NYC-WTC_000206617

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: Mt. Fabio Pedone Received: 7/20/02 1:00:00 PM Warren & Panzer Engineers , P.C. ATC Group#: 8555 228 E. 45th Street Analysis Date: 7/21/02 New York NY 10017 Fax: (212)922-0630 Phone: (212)922-0077 Project: NYC DEP, W&P# 1079.01.02 54 Warren 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) O.Sft-5 Sfi (S/cc) (S/mm^) (S/cc) Notes

OOIA 1400.00 0.0562 0 None Detected 0 0 0.0049 <17.79 <0.0049 8555 -I

002A 1400.00 0.0562 0 None Detected 0 0 0.0049 <17.79 <0.0049 8555 -7

003A 1400.00 0.0562 0 None Detected 0 0 0.0049 <17.79 <0.0049

004A 1400.00 0.0562 0 None Detected 0 0 0.0049 <17.79 <0.0049 8555 -I

005 A 1400.00 0.0562 0 None Detected 0 0 0.0049 <17.79 <0.0049 8555 -5

ROMAN 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 laBISonly responsible for data reported in structureslmmT 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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