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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_000177506–000177510
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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; Fred Burkhardt Received: 8/17/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8846 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 Transmissioij Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample >''otiime Analyzed Ash Type(s) 0.5p-} ip (S/cc) (S/mne) (S/cc) Notes

03 2410 00 0 0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 88^6 -/

()4; 2410.00 0.0450 0 . None Detected 0 0 0.0036 <22.24 <0.0036 S846 -2

05 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8846 -3

06 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SS46 -4

(17 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8346 -3

OS 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SS46 -6

10 0 0450 0 None Detected 0 0 2410,00 0.0036 <22.24 <0.0036 8846

ROMAN PEYSAKHpV MICHAEL A. GORYCKI, Ph.D.

■ Analyzed by: pproved by:

Disclaimer: The laboratory is not responsible for data reported in structures/oe, which is dependent on volume aSleeted by non-laboratoiy personnel. This lab is only responsible for data reported in structures/mmL This report may not be reproduced, except in full, withput 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 report^ relates only to the samples reported above. Quality control data (including 95% contidence limits and laboratory and analysis' accuracy and precision) is available upon request

.Accredited for NVLAP PLWTEM #101187-0. NY State ELAP #10873

Page I of 2

CONFIDENTIAL, CITY_21MC100_0 03446589 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177506

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NYC-WTC_000177506Source: NYC Law Department, mirrored locally

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