TEM air sample results, 125 Liberty St, Oct 2002

NYC 9111 Public Portal Document

Attn: Benjamin Sallemi Received: 10/29/02 7:00:00 AM ATC Associates Inc. ATC Group #: 9041 104 East 25th Street Analysis Date: 10/30/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up ATC Project #: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA/MODIFIED AHERA) Analytical Total Asbestos Asbestos Area Non Asbestos # Structures Sensitivity Concentration Concentration Sample Volume Analyzed Asb Type(s) OSu-S Sp (S/cc) (S/mm') (S/cc) (S > Scc)

20 3600.00 0.2473 02 CHRYSOTILE 16 3 0.0004 76.84 0.0082 0.0013 9041 -17

21 3600.00 0.2473 92 CHRYSOTILE 11 4 0.0004 60.66 0.0065 0.0017 9041 -18

22 3600.00 0.2473 02 CHRYSOTILE 14 6 0.0004 80.88 0.0086 .0.0026 9041 -19

23 3600.00 0.2473 90 CHRYSOTILE 3 1 0.0004 16.18 0.0017 0.0004 9041 -20

•

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

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 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

Wednesday, October 30, 2002 Page 3 of 3

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