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TEM air analysis report, 125 [name], Oct 2002

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Chain-of-custody letter from ATC Associates to DEP documenting transmission electron microscopy results for asbestos clearance at a DEP cleanup site.

NYC-WTC_000107614–000107617
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NYC 9/11 Public Portal Document

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

Attn: Benjamin Sallemi Received: 10/8/02 11:00:00 AM ATC Associates Inc. ATC Group #: 8942 104 East 25th Street Analysis Date: 10/8/02 • New York NY 10010

Fax: (212) 353-3599 Phone: (212) 353-8280

• Project: DEP Clean-up ATC Project #: 22906-0002

• 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 Asb Type(s) 0.5µ-S Sµ (S/cc) (S/mm') (S/cc) Notes

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -1

05 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -2

06 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -3

07 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -4

08 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -5

09 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -6

10 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8942 -7

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV

Analyzed by. ~ proved by:

Diseplaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume co ected by non-laboratory personnel. This only responsible fop data reported in structures/mm'. 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% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

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NYC-WTC 000107615

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NYC-WTC_000107615Source: NYC Law Department, mirrored locally

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TEM air analysis report, 125 [name], Oct 2002 · Box DEP Box 38

NYC-WTC_000107360

Chain-of-custody letter from ATC Associates to DEP documenting transmission electron microscopy results for asbestos clearance at a DEP cleanup site.

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