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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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NYC 9/11 Public Portal Document

I ATC Associates 104 East 25 Street, New York, NY 10010 V Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Mr. Benjamin Sallemi 1 Received: 12/13/01 8:00:00 AEI ATC Associates Inc

1 104 East 25th Street New York NY 10010 ATC Group 0: 6087

Analysis Date: 12/13/01 Fas: (212) 353-8306 Phone: (212) 353-8280

Project: Tribeca Towers 105 Duane Street, NY, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TENT) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical . Asbestos Area Non Asbestos Structures Sensitivity Concentration Sample Volume .-lnalybed Asb Type(s) Q5 5 5a (S/cc) (S/mm=) (S/cc) Notes

' 1 6087 -1 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044

2 0.0674 None Detected 0.0044 1300.00 0 0 0 <14.33 <0.0044 - 6087 -2

1300.00 0.0674 0 None Detected 0 0 0.0044 <14.33 <0.0044 6087 -3

4 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6087 -4 - - - -------- -- -------- ------ -- -- - - 5 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.33 <0.0044 6057 -5 - - - ------ -- --- 6 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6087 -6

1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6087 -7

8 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.33 <0.0044 I 6087 -8

I M.ARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: G r✓0 ' A roved by: iJ ~n n

Disciaimer. 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 structuresimm' 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% confloence limits and laboratory and analysis accuracy and precision is availaoie upon request.

Accredited ror NVLAP P!Ml/TE:V1;101187-0. NY Slate ELAP #10879

NYC-WTC 000104499

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NYC-WTC_000104499Source: NYC Law Department, mirrored locally

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