NYC-WTC_000205051

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone; (212) 353-8280 Fax; (212) 353-8306 gm:

Attn: John Anuforo Received: 6/18/02 8:00:00 PM Cole Consulting Corp. ATC Group d: 8171 2269 Saw Mill River Road Analysis Date: 6/19/02 Elmsford NY 10523 Fax: (914) 345-0045 Phone; (914) 345-6000 Project: FDNY Troop Avenue, Brooklyn, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbettas Area Non Asbestos H Structures Sensitivity Concentraiion Sample yolume Analyzed Asb Typefs) Sp (S/cc) (S/mue) (S/ix) Notes I 4S0.00 0.1124 0 NoneDeteded 0 0 0.0076 <8.90 <0.0076 Fiber Glass-None Detected Silicon-None 3/71 ./ Detected 2 450.00 0-1798 0 None Detected 0 0 0.0048 <5.56 <0.0048 Fiber Glass-Nene Detected Silicon-None 3171 -2 Detected

■I

MARK PEYSAKHOV MICHAEL A. CORYOa, Ph.D. Analyzed by; Approved by; iI

Disefsimer The bboialcxy is not responsible for date reported In siruoturesZcc. which is dependent on volume oolleeted by non-laboralory personnel, this tab Is only responsible ■ lor date reported in $lnrctures/mm>. This report may not be reproduced, except in full, without written approval by ATC Associales Inc. This report may not be trsed to claim ■ product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quali^ control date (including 95% ’ confidence limits and laboratory and analysis' accuracy and precision) is available upon request

I Aocredited for NVLAP PLMfTEM #101187-0. NY Slate ELAP #10879

Page I of I !

bl CITY_21MC100_010222212

NYC-WTC_000205051