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Chain of custody for air samples from 125 Water Street,

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Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.

NYC-WTC_000129725–000130035
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NYC 9/11 Public Portal Document

Attn: Benjamin Sallemi Received: 10/8/02 11:00:00 AM ATC Associates Inc. ATC Group #: 8942 104 East 25th Street Analysis Date: 10/8/02 New York NY 10010 Fax: (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) 04N-5 Sp (S/cc) (S/mm') (S/cc) Notes

II 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -8

12 . 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -9

13 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -l0

.,..

MARK PEYSAKI-IOV MICHAEL A. GORYCKI, Ph.D. -

Analyzed b ~, Approved by: /~.

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. T ' is only responsible for data reported in stnrctureslmm'. 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 PLM/TEM $101187-0. NY State ELAP #10879

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NYC-WTC 000129956

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NYC-WTC_000129956Source: NYC Law Department, mirrored locally

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