NYC-WTC_000205845

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212)353-8306 wre Attn: Mr. Fabio Pedone Received: 6/19/02 9:00:00 PM Warren & Panzer Engineers , P.C. ATC Group#: 8177 228 E. 45th Street Analysis Date: 6/20/02 New York NY 10017 Fax: (212) 922-0630 Phone: (212)922-0077 Project: NYC-DEP W & P File #; 1079.01.02 5 Beekman

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^oluine Analyzed Asb Type(s) 0.5fi-5 5fl (S/cc) (S/mm^) (S/cc) Notes

17 1080.00 0.0787 0 None Detected 0 0 0.0045 <12.71 <0.0045 8177 -I

18 1080.00 0.4721 0 CHRYSOTILE 3 3 0.0045 76.26 0.0272 8177 -2

19 1080.00 0.0787 0 CHRYSOTILE I 0 0.0045 12.71 0.0045 8/77 -3

20 1080.00 0.0787 0 None Detected 0 0 0.0045 <12.71 <0.0045 8177 -4

21 1080.00 0.0787 0 CHRYSOTILE 1 0 0.0045 12.71 0.0045 8/77 -5

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/«, which is dependent on volume rallied by non-laboratoiy personnel. Thislab is only responsible for data reported in structures/mmL 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 PLM/TEM #101187-0, NY State ELAP #10879

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NYC-WTC_000205845