NYC-WTC_000210442

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. Michael Zovak Received: 12/20/01 4:00:00 AM Airtek Environmental Corporation 39 W. 38th Sreet ATC Group#: 6152 New York, NY 10018 Analysis Date: 12/20/01 Fax: (212)768-0759 Phone: (212)768-0516 Project: Lions Head 110 Development LLC 110 Church 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 I'olume Analyzed Asb l).5,u-5 5f, (S/cc) (S/cc) Notes 001 1490.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 6152 -1

003 1460.00 0.0562 0 None Detected 0 0 0.0047 <17.79 < 0.0047 6152-2

004 1490.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 6152-3' -

006 1470.00 0.0562 0 None Detected 0 0 0.0047 <17.79 <0.0047 6152-4

007 1490.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 6152 -5

009 1460.00 0.0562 0 None Detected 0 0 0.0047 <17.79 <0.0047 6152 -6

010 1490.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 6152 -7

012 1460.00 0.0562 0 None Detected 0 0 0.0047 . <17.79 < 0.0047 6152-8

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed bv: .pproved by:

Disclaimer The laboratory is not responsible lor data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible lor data reported in structures/mm'. 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 Io tee samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accreditee for NVLAP PLMTTEM #101187-0, NY State ELAP #10879

CITY_DEP_WORBY_CANNATA_SUBP_000021256

NYC-WTC_000210442