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Asbestos fiber analysis results, 125 [name], Sep 2002

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Laboratory report from ATC Associates documenting TEM asbestos fiber analysis for the DEP cleanup project at 125 [name] in September 2002.

NYC-WTC_000181810
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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: 9/20/02 8:00:00 AM ATC Associates Inc. ATC Group#: 8865 104 East 25th Street Analysis Date: 9/22/02 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 i^olume Analyzed Asb Type(s) 0.5/t-S 5fi (S/cc) (S/mm‘) (S/cc) Notes

01 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8S6: -/

02 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 886:- -2

03 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 &S65 -1

0.4 1804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 ,Sb6.> -4

05 . 1 804.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8368

ROMAN PEY.SA. MICHAEL A. GORYCKI, Ph.D.

Analyzed by j^prove^by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume colldbted by non-laboratory personnel. This lab is only responsible for data reponed in structures/mmL This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not oe 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 limis 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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