NYC-WTC_000188436

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/17/02 9:30:00 PM N. Y.C. Board of Education ATCGroup#: 7779 28-11 Queens Plaza North Analysis Date: 5/18/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: H.S. for Leadership & Public Service

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 V'otume Analyzeit Asb Type(s) 0,Sfi-S S/i (S/cc) (S/mm^) (S/cc) Notes

II 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -<S

12 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -9

13 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -iO

14 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -/I

15 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -12

16 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -1}

17 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 ./■!

18 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7779 -15

19 1932.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7779 -/«

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved 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/mm’ This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used Io daim product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above Quality coniroi data (including 95% confidence limits 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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