Cover page for TEM results and chain of custody, 110

NYC 9/11 Public Portal Document

Attn: Mr. Michael Zovak Received: 12/19/01 8:00:00 AM Airtek Environmental Corporation 39 W. 38th Sreet ATC Group #: 6149 New York, NY 10018 Analysis Date: 12/19/01 Fax: (212) 768-0759 Phone: (212) 768-0516 I Project: Lion's Head 110 Development, LLC 110 Church Street

I Asbestos Fiber Analysis Y by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos Structures Sensitivity Concentration Sample Volume .4nalyzed Asb Types) O.S,u-5 Su (S/cc) (S/mmj) (S/cc) Notes

' 014 6149 -9 1310.00 0.0674 0 CHRYSOTILE 0 2 0.0044 29.66 0.0087

015 1320.00 0.0674 0 CHRYSOTILE 2 1 0.0043 44.48 0.0130 6149 -10

021 I 6149 -1 1 1310.00 0.0674 0 CHRYSOTILE 1 0 0.0044 14.83 0.0044

022 1300.00 0.0674 0 CHRYSOTILE 2 1 0.0044 44.48 0.0132 6149-12

023 1310.00 0.0674 0 CHRYSOTILE 0 1 0.0044 14.83 0.0044 6149-13

I 024 6149 -14 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044

025 1300.00 0.0674 0 CHRYSOTILE 0 1 0.0044 14.83 0.0044 6149 -15

I

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

I Analyzed by: A proved 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 structureslmm'. 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%

I confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PL M TEM #101187-0. NY State ELAP #10879

I NYC-WTC 000098402