Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone:(212) 353-82S0 Fax:(212) 353-8306

Attn: Fred Burkhardt Received: 9/21 02 3:00:00 Ail ATC Associates Inc ATC Group #: 8872 104 East 25th Street Analysis Date: 9,24.02 Nem, 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 Types) O-SN-5 S,u (S/cc) (S/mm') (S/cc) Notes

03 1800.00 0.0450 0 None Detected n 0 0.0048 <22.24 <0.0048 8872 -1

04 • 1800.00 0 0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 .587? --

05 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048.

• 887_ -3

06 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 5&72. -4

07 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 S872 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by roved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume coil by 4nZnlaboratory personnel. This lab ' my responsible for data reported in structuresimm'. 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 PLMITEM #101187-0. NY State ELAP #10879

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