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

NYC 9/11 Public Portal Document

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

Attn: Fred Burkhardt Received: 9/21/02 3:00:00 AM ATC Associates Inc. ATC Group #: 8871 104 East 25th Street Analysis Date: 9/23/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up 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) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5/1-5 Slr (S/cc) (S/mnr') (S/cc) Notes

01 180000 0.0450 0 None Detected 0 0 0.0048 <2224 <0.0048 587/ -/

02 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8871 -7

03 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 887/ -3

04 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8871 -4

05. 1804.00 0.0450 0 None Detected 0 0 0.0047 < 22.24 <0.0047 8871 -i

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed b . ~ ~ prove by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume will cted by non-laboratory personnel. This la my responsible for data reported in structures/mm=. This report may not be reproduced, except in full, without written approval by ATC Associates:nc. 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 #'.01187.0. NY State ELAP #10879

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