Cover page for TEM results and chain of custody, 110

NYC 9/11 Public Portal Document

IJ Attn: Mr. Michael Zovak 4:00:00 AM Received: 12/20/01 Airtek Environmental Corporation 1 39 W. 38th Sreet New York, NY 10018 ATC Group #: 6152

Analysis Date: 12/20/01

1 Fax: (212) 768-0759 Project: Lions Head 110 Development LLC Phone: (212)768-0516

110 Church Street

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AIJIERA) Analytical Asbestos Area Non Asbestos Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5,u-5 5i (S/cc) (S/mm') (S/cc) Notes 013 1480.00 0.0562 0 None Detected 0 0 0.0046 < 17.79 <0.0046 6152-9

015 1460.00 0.0562 0 None Detected 0 0 0.0047 < 17.79 <0.0047 6152 -10

016 1360.00 0.0674 0 None Detected 0 0 0.0042 < 14.83 <0.0042 6152-1 1 -

018 1320.00 0.0674 0 None Detected 0 0 0.0043 < 14.83 <0.0043 6152-12

019 1370.00 0.0674 0 None Detected 0 0 0.0042 < 14.83 <0.0042 6152-13

021 1340.00 0.0674 0 None Detected 0 0 0.0043 < 14.83 <0.0043 6153 -l4

022 1360.00 0.0674 0 CHRYSOTILE 0 1 0.0042 14.83 0.0042 6152-I5 - - -

024 1330.00 0.0674 0 None Detected 0 0 0.0043 < 14.83 <0.0043 6152-16

025 1360.00 0.0674 0 None Detected 0 0 0.0042 < 14.83 <0.0042 • 6152 -17

027 1350.00 0.0674 0 None Detected 0 0 0.0042 < 14.83 <0.0042 6)52-18

I

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D. • Analyzed by: ~ App oved by:

: Disclaimerr. Th 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/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 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

I .- . .. ...- ...... ..------- ---.---..-----.-- ____ __ _

NYC-WTC 000098411