Cover page for TEM results and chain of custody, 110

NYC 9/11 Public Portal Document

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

1 Attn: Mr. Jim Marecki Received: 12/9/01 5:00:00 AM Airtek Environmental Corporation 39 -W. 38th Street ATC Group #: 6070 New York NY 10018 Analysis Date: 12/10/01 Fax: (212)768-0759 Phone: (212) 768-0516

Project: Lion's Head 110 Development , LLC 110.Church Street

1 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 Analyzed Ash Type(s) 0.5µ-5 5p (S/cc) (S/mm') (S/cc) Notes Sample Volume • 001 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6070-I

' 002 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6070 -2

003 1300.00 0.0674 0 None Detected 0 0 0.0014 <14.83 <0.0044r 6070-3

004 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6070 =l -- - 0Q5 1300.00 0.0674 0 None Detected 0- Q 0.0044 <14.83 <.0.0044

I 6070-5

006. 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6070 -G

I 007 6070 -7 -- 1300.00 - - 0.0674 0 None Detected 0 0 - --- 0.0044 <14.83 - <0.0044 - - - -

008 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 --- 6070 -8

I ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by: '

I -...-----_ Disclaimer. The 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 strudures/mm2. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim control data (including 95% product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality 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 000098348