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Ambient air sampling report Book Two for 105 Duane Street,

Machine-extracted title · confidence 98%

Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.

NYC-WTC_000104321–000104551

Folder label: “105 DUANE ST 1001650, 151/1

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Scanned page image, NYC-WTC_000104519
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NYC 9/11 Public Portal Document

Li ATC ssociateS 104 East 25 Street. New York. NY 10010 ATC Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Mr. Robert Lewin i~ Received: 2 1_2 '._801 : =t:_0.i)0 PM ATC Associates Inc. 104 East 25th Street ATC Group #: 6217 New York NY 10010 - Analysis Date: 12/28/01 Fax: (212) 353-3599 Phone: (212) 353-8280

Project: Tribeca Towers

Asbestos Fiber Analysis by Transmission Electron Microscopy P. (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non .Asbestos Structures Sensitivity Concentration Sample Voluine .analyzed Asb Types) 0.5u-5 5u (S/cc) (S/mm=) (S/cc) Notes 003 1650.00 0.0562 0 None Detected 0 0 0.0042 < 17.79 <0.0042 6217-1

004 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 621? -2

005 1545.00 0.0563 0 None Detected 0 0 0.0044 < 17.79 <0.0044 17 -3

006 1633.00 0.0562 0 None Detected 0 0 0.0042 < 17.79 <0.0042 6217

007 1606.00 0.0562 0 None Detected 0 0 0.0043 < 17-79 <0.0043 6217-5

008 1500.00 0.0562 0 None Detected 0 0 0.0046 < 17.79 <0.0046 6217-6

I I

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: i ~~ App ved by:

Disclaimer. The laboratory is not responsible for data reported in structureslcc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structuresrmm'. 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 reoorts 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.

Accreditea for NVLAP PLM/TEM #101187-0. NY State ELAP #10879

NYC-WTC 000104519

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NYC-WTC_000104519Source: NYC Law Department, mirrored locally

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