Chain of custody for asbestos air samples, Sept 2002

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY lOOlO Phone: (212) 353-8280 Fax: (212) 353-8306

.Attn: Benjamin Sallemi Received; 9/30/02 8-.00:00 AM ATC Associates Inc. .ATC Group #: 8916 104 East 25th Street Analysis Date: 9/30/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up ATC 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) Akalytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample P'olume Analyzed Asb Type(s) O.Sfi-S 5ft (S/cc) (S/ntm‘) (S/cc) Notes

1 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8916 -I

■ 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8916 -2

3 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8916 -2

4 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 < 0.0048 8916 -4

3 1800,00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8916 -5

ROMAN PEYSAKHOV MICHAEL A. GORYCKl. Ph.D.

Analyzed by: 'Approved by:

Oisolaimer The laboratory is not responsible for data reported in structures/oc, which is dependent on volume collected by non-iaooratory personnel. This lab is only responsible for data reported in structures/mm’. This report may rat be reproduced, except in full, withojit written approval by ATC Associates Inc. This report may not be used to ciaim 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 plWTEM #101187-0, NY State ELAP #10879

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