NYC-WTC_000202365

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: 9/10/02 8:00:00 AM N.Y.C. Board of Education ATC Group#: 8828 .28-11 Queens Plaza North Analysis Date: 9/10/02 Long Island City. NY 11101

Fax: (212) 475-4122 Phone: (212)477-8941 Project: NYC-BOE Munay Bergtraum HS 411 Pearl Street, New York, NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Fart 763 Final Rule (AHERA) Analytical Asbestos Area Nun Asbestos # Structures Sensitivity Concentration Sample ['oluine Analyzed Asb Type(s) O.Sfi-S 5fi (S/cc) (S/mm‘) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8828 -I

02 - 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0,0044 SS28

OJ 1912.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0,0045 S83S -J

04' 1912.00 0.0450 0 None Detected 0 0 0.0045 22.24 <0.0045 .S328 -4

0.5 1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 3S2S -S

06- 1920.00 0.0450 0 None Detected 0 0 0,0045 <22.24 <0.0045 8828 -6

07 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8S28 -7

MARX PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by Approved by;

Disclaimer: The latjoratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported instructures/mmE This report may not be reprorduoed, except in full, without 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 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 PLM/TEM #101167-0, NY State EAP #10879

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