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Document / 231 pages

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_000104439
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NYC 9/11 Public Portal Document

I ATC Associates 104 East 25 Street. New York. NY 10010 Phone:(212) 353-8250 Fax:(212) 353-8306 (YVATC Attn: Mr. Fred Burkhardt Received: 1123/01 5:00:00 AM ATC Associates Inc

I 104 East 25th Street New York NY 10010 ATC Group #: 5954

Analysis Date: 11/23/01 Fax: (212) 353-8306 Phone: (212) 353-8280 Project: Tribeca Towers 105 Duane Street, NY, NY

I Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) I Area Non Asbestos Structures -Inalytical Sensitivity ,-lshestus Concentration Sample Volume .-l rlviced .ash Types)

U.Su-S Si, (S'cc) (S/mm) (S/cc) Notes 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.33 <0.0044 5954 -I

I 3 5954 -2 130U.uo 0.06 74 0 None Detected 0 0 0.0044 . 14.S3 <0.0044

I 3 5954 -3 1300.00 0.0674 0 None Detected U 0 0.0044 < 1-t. S3 <0.0044

4 1300.00 0.0674 0 None Detected 0 0 0.004.1 <14.83 <0.0044

I 5954 -4

5 1300.00 0.0674 _____

0 None Detected 0 ____________________

0 0.0044 < 14.83 <0.0044 5954 -;

I 6 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 5954 -6

1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.00" 5954 -7

S 1300.00 0.0674 0 None Detected 0 0 0.0044 < 14.83 <0.0044 5954 -8

I ' ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: A proved by:

I . -, .

Disclaimer: The laboratory s not responsible for data reported in structuresicc, wntch is dependent on volume collected by non-laboratory personnel. This lab is only responsible or data reocrteo in struc:uresimm2 This report may not be reproduced. except in full, without wntten aoproval by ATC Associates Inc. This report may not be used to claim product endorsement oy NVLIP or any other agency or 'he U.S. Government. This reports relates only :o the samples reported above. Quality control data (including 95%

I confidence limits and laboratory and analysis accuracy and precision) is available upon request.

Accredited for NVLAP of 'v1/TEM #101187-0. NY State SLAP 110879

NYC-WTC 000104439

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NYC-WTC_000104439Source: NYC Law Department, mirrored locally

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