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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_000177511–000177515
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NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 ^^^Phorie(2n)253-8^ Fax:(212) 353-8306

Attn; Fred Burkhardt Received: 9/17/02 4:00:00 PM ATC Associates Inc. ATC Group#: 8852 104 East 25th Street Analysis Date: 9/19/02 New York NY 10010

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

Project: DEP Cleaan-up Project #: 22906-0002 125 Cedar Street, New York. NY

.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 k'olume Analyzed Asb Type(s) 0.5fi-5 5fi (S/cc) (S/mm-) (S/cc) Notes

04 2300.00 0.0450 0 None Detected 0 0 0.0037 <22.24 <0.0037 8852 -I

05 2300.00 0.0450 0 None Detected 0 0 0.0037 <22.24 <0.0037 8852

06 2357.50 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036

07 2300 00 0 0450 0 None Detected 0 0 0 0037 <22.24 <0.0037 8852 -2

OS 2300.00 0 0450 0 None Detected 0 0 0 0037 < 22.24 <0 0037 8852 -5

09 2300.00 0-0450 0 None Detected 0 0 0.0037 <22.24 <0.0037 8852 -6

10 2300.00 0.0450 0 None Detected 0 0 0.0037 <22.24 <0.0037 SS52 -7

MICHAEL A. GOR.YCKI, Ph D ROMAN PEYSAl

Analyzed by: ■Approved by:

■Disclaimer Tie laboraiory is not responsible tor data reported in siructures/cc, which is dependent on volume collected by non-iaboratory personnel IhisTao is only respcnsibie tor 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 ' proauct endorsement by NVLAP or any other agency of the U S. Government. This reports relates only to the samples reporteo aoove. Quality control data (including 95% confidence limits ano iaboratony and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PUWTEM 4101187-0, NY Slate ELAP 410879

Page I of 3

CONFIDENTIAL, CITY_21MC100_003446597

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177511

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NYC-WTC_000177511Source: NYC Law Department, mirrored locally

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