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TEM air analysis report, 125 Liberty Street, Oct 2002

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Transmission electron microscopy results for air samples collected during DEP cleanup operations at 125 Liberty Street.

NYC-WTC_000107931–000107934
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NYC 9/11 Public Portal Document

Attn: Benjamin Sallemi Received: 10/3/02 4:00:00 PM ATC Associates Inc. ATC Group #: 8932 104 East 25th Street Analysis Date: 10/4/02 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) 0.5p-5 5p (S/cc) (S/mm') (S/cc) Notes

11 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8932 -8

12 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8932 -9

13 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 8932 -10

MICHAEL A. GORYCKI, Ph.D. • MARK PEYSAKI-IOV • Analyzed by: Approved by: _

Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. lab is only responsible for data reported in structures/mm'. This report may riot 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 PLMITEM #101187-0, NY State ELAP #10879

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NYC-WTC 000107934

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NYC-WTC_000107934Source: NYC Law Department, mirrored locally

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

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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.

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machine-extracted · confidence unavailable · Check page ↗

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