NYC-WTC_000202365

NYC 9/11 Public Portal Document

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 Murray Bergtraum HS 411 Pearl 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 Coluine Analyzed Asb Type(s) 0.5,a~5 Sf, (S/cc) (S/mmy (S9cc) Notes

08 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 ■ S828 -8

09 • 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SS2S -9

10 1920.00 0.0450 0 None De'.ected 0 0 0.0045 22.24 <0.0045 5525 -.'0

II- 1920,00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 Sii2S -II

1'2' 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 SS2S -12

13 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8828 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S82S -14

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SS28 -15

16 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SS2S -16

MICHAEL. A. GORYCKi. Ph.D. MARK PEYSAKHOV

Analyzed by: 4^proved by

Disclaimer: The laboratory 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 in structures/mmA This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This repor may net 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 laborato^ and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM/TEM 4101187-0, NY State ELAP #10879

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