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: 10/1/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8920 104 East 25th Street Analysis Date: 10/1/02 New York NY 10010 F'ix: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up ATC Project #: 22906-0002

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.Sp-5 Sp (S/cc) (S/mm') (S/cc) Notes

I 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8920 -! 2: 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8920 -2

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 4920 -3

4 804.00 0.0450 0 None Detected 0 0 0.0047 < 22.24 <0.0047 3920 -4

5 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 ,t'920 -5

MARK PEYSAKNOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by' ~ Approved by:

Disclaimer The laboratory is not responsible for data reported in structuresicc which is dependent on iclume collected by non-laooratory personnel. This la my responscbie for data reported in structuresimm= This report may not be reproduced, except in full, without Nr:tten aoproval by ATC Associates !nc. This report may not be used to cairn product endorsement by NVLAP or any other agency or :he U.S. Government. This reports 'elates only :o he samples reported abcve Gualiry control data irncwdrng ?5%

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

Accredited for NVLAP PLMITEM #101187.0, NY State E'L P #10879

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