NYC-WTC_000205003

NYC 9/11 Public Portal Document

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

Attn: John Anuforo Received: 5/23/02 8:00:00 AM Cole Consulting Corp. ATC Group#: 7841 2269 Saw Mill River Road Analysis Date: 5/23/02 Elmsford NY 10523 Fax: (914)345-0045 Phone: (914) 345-6000 ■M Project: FDNY BAT 57 131 Throop Avenue

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 Sample l^otiime Analyzed Asb Type(s) O.Sfi-S 5fi (S/cc) (S/inm^) (S/cc) Notes

1 450.00 0.1124 0 None Detected 0 0 0.0076 <8.90 <0.0076 Fiberglass - None Detected; Silicon - None Detected

2 450.00 0.1124 0 None Detected 0 0 0.0076 <8.90 <0.0076 Fiberglass - None Detected: Silicon - None 7S4I -2 Detected

3 450.00 0.1124 0 None Detected 0 0 0.0076 <8.90 <0.0076 Fiber glass - None Detected ; Silicon - None 7S4I -3 Detected

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MARK PEYSAKHOV MICHAEL A. CORYCKl, Ph.D.

Analyzed by: ^proved by:

/ Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboiatory personnel. This lab is only responsible for data reported in structures/mml 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 con rol data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMTTEM #101187-0, NY State ELAP #10879 a

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NYC-WTC_000205003