Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Benjamin Sallemi Received: 9/26/02 4:00:00 P.M ATC Associates Inc. ATC Group #: 3398 104 East 25th Street Analysis Date: 9!27 02 `e York NY 10010

Fax: t212353-3599 Phone: (212) 353-8280

Project: DEP Clean-up Project #: 22906-0002 I'25 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) O.5u-S Si' (S/cc) (S/mm') (S/cc) ,Votes

1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8898 -S

12 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8•Y98 -9

13 1400.00 0.0562 0 None Detected t) 0 0.0049 < 17.79 <0.0049 x898 -l0 S

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: roved by:

Disclauner The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This ab 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 (inc!uding 95%

• confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

AecreoitAo for NVLAP PLfv1/TEM x0118%-0. NY State ELaP x10879

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NYC-WTC 000129908