NYC-WTC_000205045

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: John Anuforo Received: 7/9/02 6:40:00 PM Cole Consulting Corp. ATCGroup#! 8427 2269 Saw MiU River Road Analysis Date: 7/10/02 Elmsford NY 10523 Fax: (914)345-0045 Phone: (914)345-6000 Project: FDNY 234 East 29 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 IVan Asbestos ^Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 9.Sft-S 5p (S/cc) (S/mnt’) (S/cc) Notes

1 450.00 0.1124 0 None Detected 0 0 0.0076 <8.90 <0.0076 Fiber Glees-None Detected Silicon-None a-t27 -1 Detected

La^U’^*"7 0

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b ROMAN PEYSAKHOV MICHAEL A. (jORYCKI, Ph.D.

Analyzed by: Approved by: L I Disclaimer: The leboiatory is not responsible lor data reported In stniciures/cc, which is dependent on volume collaeted by notvteboraiory personnel. This lab is only responsible (or data reported In sinretures/mnY. This report may net be reproduced, except In fun, without written approval by ATC Associates Inc. This repon may not ba 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 fnduding 95% conTidence limils and laboratory and analysis' accuracy and precision] is available upon request

L Aocredited forNVlAP PLM/TEM #10'187-0, NY Stele ELAP #10875

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NYC-WTC_000205045