Asbestos TEM analysis data, 125 [name], Sep 2002

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone:(212) 353-8280 Fax:(212) 353-8306 ftTc attn: Benjamin Sallemi Received: 9/25:02 8:00:00 AM ATC Associates Inc. ATC Group #: 8890 104 East 25th Street Analysis Date: 9/25/02 New York NY 10010

Fax: (212) 353-3599 Phone: (212) 353-8280

Project: DEP Clean-up Project #: 22906-0002

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 Sainple Volume Analyzed Asb Type(s) 0.5p-5 5,u (S/cc) (S/mm') (S/cc) Notes

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8890 -/

05 -• 1800.00 0.0450 0 CHRYSOTILE 0 I 0.0048 22.24 0.0048 8890 -2

06 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8890 -3

07 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8890 -4

08 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8890 -5

09 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 $890 -6

10 1800.00 0.0450 0 None Detected 0 0 00048 <22.24 <0.0048 8890 -;

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: by:

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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

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