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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_000104477
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NYC 9/11 Public Portal Document

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

Attn: Mr. Fred Burkhardt Received: 12.30101 5:3000 AM

I ATC Associates Inc. 104 East 25th Street New York NY 10010 ATC Group #: 6159

Analysis Date: 12,'20101 Fax: (212) 353-3599 Phone: (212) 353-8280 Proj ect: Tribeca Towers 105 Duane Street, NY, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed

I by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos Structures Sensitivity Concentration

I Sample 04 Volume

1300.00 .Analyzed

0.0674 Ash

0 Type(s)

None Detected 0.Su-5 Su

0 0 (S/cc)

0.0044 (S/mm')

<14.83 (Sicc) <0.0044 Notes

6159 -I

05 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6159 -2

' 06 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044 6159 -3

07 1300.00 0.0674 0 None Detected 0 0.0044 < 14.83 0 <0.0044 6159-4

OS 1300.00 0.0674 0 None Detected 0 0 0.0044 <14.83 <0.0044

I 6159 -5

09 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6159-6

10 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 6159 -7

I 11 6159-8 1300.00 0.06 74 0 None Detected 0 0 0.0044 < 14.83 <0.0044

I I MARK PEYSAKHOV Analyzed by MICHAEL A. GORYCKI, Ph.D.

Approved by:

I Disclaimer The laboratory :s not responsible for data reportea in structures/cc, which is deoenoent on volume collected by non-laooratory personnel. This as is only responsible for data reporteo in strucuresimm= This resort may not de reproduced, except in full, without wntten approval by ATC Associates Inc. This report may not oe used to claim

1 proauct endorsement oy NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control data (inducing 95%% confidence limits and laooratory anc analysis accuracy and precision) is avanable upon request.

Accredited for NVLAP PLM/TEM #101187-0, NY State _:AP #10879

NYC-WTC 000104477

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NYC-WTC_000104477Source: NYC Law Department, mirrored locally

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