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Chain of custody for asbestos air samples, Sept 2002

Machine-extracted title · confidence 98%

Chain of custody document tracking TEM analysis of air samples from the DEP cleanup project at 125 [name].

NYC-WTC_000177502–000177505
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NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9/16/02 4:30:00 PM ATC Associates Inc. ATC Group#: 8845 104 East 25th Street Analysis Date: 9/19/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clcaan-up Project #: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission) Electron Microscopy (TEM) Performed by EPA 40 CFR Part 7^3 Final Rule (AHERA) Analytical Asbestos Area !\oii Asbestos U Slractares Sensitivity Concentration Sample Coluine Analyzed Asb Type(s) 0.5,u-5 5p (S/cc) (S/mm') (S/cc) /\iotes

29 2600,00 0.0450 0 None Detected 0 0 0.0033 <22.24 <0.0033 8S45 -26

30 2600.00 0.0450 0 None Detected 0 0 4.0033 <22.24 <0.0033 S845 -27

31 2600.00 0.0450 0 None Detected 0 0 0.0033 <22.24 <0.0033 SS45 -23

. MARX PEYSAKHOV .MICHAEL A. GORYCKI. Ph.D

..Analyzed by: Approved bv

Cisclaimer: The '.aboratcry is not responsible for data reported in structures/cc, which is debendent on volume colliIgned by non-laboratory personnel. This 0d4s only responsible for dala reported in structures/'mm' This repon may not be reproduced, except in full, withe ut 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 PLMfTEM #101187-0, NY State ELAP #10879

Page 4 of 4

CONFIDENTIAL, CITY_21MC100_003446587

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177505

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NYC-WTC_000177505Source: NYC Law Department, mirrored locally

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