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 u

Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Benjamin Sallemi Received: 1012/02 8:00:00 AM ATC Associates Inc. ATC Group k: S923 104 East 25th Street Analysis Date: 10/2.!02 New York NY 10010

Fax: 2!2)$53-3599 Phone: t212) 53-82S0 Project: DEP Clean-up ATC Project 22906-0002 125 Cedar Street. New York• NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEVI) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5k-5 Si' (S/cc) (Sitnm) (S/cc) Notes

1 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.004S 8923 -/

22 180.00 0.4384 0 None Detected 0 0 0.0049 <2.28 <0.0049 •• 3923 _2

150.00 0.4384 1) None Detected 0 0 0.0049 <2.28 <0.0049 .Y9+3 .3

r 1804.00 0.0450 Il None Detected 0 11 (1.0047 <22.24 <00047 5923 - 4

a 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 3923 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Ap roved by:

Cisciaimer: The laboratory a not responsible for data reported in structuresicc, wnrch is dependent on volume collect oy non-wooratory personnel. This lab , y responsroie 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 ;he samples reported above. Quality control data (inc:uoing 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMYTEM #101187-0. NY State ELAP #10879

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