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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: 9/27 02 4:00:00 PM ATC Associates Inc ATC Group 4: 8905 104 East 25th Street Analysis Date: 9 28'02 dew York NY 10010 Fax: (212)353-3599 Phone: (212)353-8250 Project: DEP Clean-up Project #: 22906-0002 125 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 Asti Type(s) O.5p-S Sp (S/cc) (S/mm') (S/cc) Notes

I1 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 5905 -3

12 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 SWU5 -9

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

;,isca,mer: The laboratory is not responsible for data reported in structures/cc. whicn is aependent on volumeAn-aboratory personnel. This is responsible !or •:ata reported :n structuresrmm. This report may not be reproduced. except in full. without written approval by ATC Associates Inc. This report may not oe used to claim proauct enaorsement oy NVIAP or any other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control aata tincluaing 95% :onlidence limns and laooratory and analysis accuracy and orecision) .s avaiiaole upon 'eouest.

=ccredilec for NVLAP PLMJTEM 1101.87.0. NY State ELAP :10879

page 1 rj.

NYC-WTC 000129933

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NYC-WTC_000129933Source: NYC Law Department, mirrored locally

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