Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, DIY 10010 U': Am Phone: (212) 353-8250 Fax: (212) 353-8306

Attn: Fred Burkhardt Received: 9,2302 8:00:00 AEI ATC Associates Inc. ATC Group #: 8880 104 East 25th Street Analysis Date: 9/24i02 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 (TENT) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area iVun Asbestos # Structures Sensitivity Concentration Sample Volume .-tnalyred Asb Type(s) O.Sp-S 5p (S/cc) (S/mm') (S/cc) ,Notes 03 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0045 8880 -I

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8880 -2

Sr 80 -3 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048

66 1800.00 0.0450 0 None Detected 0 0 < 22.24 0.0048 <0.0048 8880 -4

07 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8880 -3

ROMAN PEYSA Analyzed by: OV (. 7( MICHAEL A. GORYCKI, Ph.D.

pproved by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. T b is only responsible for data reported in structuresfmm=. This report may not be reproduced, except in Lull, without written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVL4P 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

Accreoited for NVLAP P_MN/TEM x1.01187.0. NY Stare ELAP #10879

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