NYC-WTC_000206519

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: 7/19/02 8:30:00 AM Warren & Panzer Engineers , P.C. ATCGroup#: 8539 228 E. 45th Street Analysis Date: 7/19/02 New York NY 10017 Fax: (212) 922-0630 Phone: (212)922-0077 Project: NYC DEP, V/&P# 1079.01.02 18 Vesey 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 l^olume Analyzed Asb Type(s) 0.5/1-5 5fi (S/cc) (S/mm^) (S/cc) Nates

OOIA 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 8539 -I

002A 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 8539 -2

003 A 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 8539 -3

004A 1440.00 0.0562 0 CHRYSOTILE I 0 0.0048 17.79 0.0048 8539 -4

005 A 1440.00 0.0562 0 None Detected 0 0 0.0048 <17.79 <0.0048 8539 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: .pproved 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 NVGtP 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 laboratoiy and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMfTEM #101187-0, NY State ELAP #10879

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