NYC-WTC_000214174

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: Mr. Bernard Orlan Received; 5/27/02 7;00;00 PM N.Y.C. Board of Education ATC Group#: 7886 28-11 Queens Plaza North Analysis Date: 5/27/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: NYC-BOE PS 150M Project#: 14584-0824

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos a Structures Sensitivity Concentration Sample yolume Analyzed Asb Type(s) (S/cc) (S/mm^) (S/cc) Noles

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7886 -I

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7886 -7

03 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7S«6 -3

04 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7886

05 1928.00 0.0450 0 None Delected 0 0 0.0044 <22.24 <0.0044 7S86

06 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7S86 -6

07 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7886 -7

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: .pprov^d by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc. which is dependent on volume collected by non-laboratory personnel. Thislab is only responsible tor data reported in structures/mnP. This report may not be reproduced, except in full, without 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 limils and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMTTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000214174