NYC-WTC_000210442

NYC 9/11 Public Portal Document

.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 /Irefl Non -Asbestos Structures Sensitivity Concentration Sample k'olume Analyzed Asb O.Sft-S 5fi (S/cc) (S/mm^) (S/cc) Notes 028 1370.00 0.0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 6152 -19

030 1370.00 0,0674 0 None Detected 0 0 0.0042 <14.83 <0.0042 6152 -20

031 1320.00 0.0674 0 None Detected 0 0 0.0043 <14.83 <0.0043 6152 -21

032 1320.00 0.0674 0 None Detected 0 0 0.0043 <14.83 < 0.0043 6152 -22

033 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6152 -23

034 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 < 0.0044 6152 -24

035 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6152 -25

041 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6152-26

042 1310.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6152 -27

043 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6152-28

MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: Approved by:

Disclaimer. The laboratory is not responsible for data reported in struetures/cc, which is dependent on volume collected by non-faboraiory personnel. This lab is only responsible for data reported in stnjctures/mmT This report may not he 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 reporls 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 PLIWTEM #101187-0, NY State ELAP #10879

CITY_DEP_WORBY_CANNATA_SUBP_000021258

NYC-WTC_000210444