NYC-WTC_000188470

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/26/02 4:00:00 PM N.Y.C. Board of Education ATCGroup#: 7876 28-11 Queens Plaza North Analysis Date: 5/26/02 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 b Struaures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5p-S Sp (S/cc) (S/mm^) (S/cc) Notes

17 2261.00 0.0450 0 None Detected 0 0 0.0038 <22.24 <0.0038 7876 -17

18 1904.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7876 -IS

MARKPEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: Approved by:

Disclaimer. The laboratofy is not responsible for data reported in structures/cc, which 'a dependent on volume by non4aboratofy personnel. This responsibte for data reported in stroctures/mm’. This report may not be reproduced, except In fuB, without written approval by ATC Associates Inc. This report may not be used to dam product endorsement by NVLAP or any other agency of the U.S. Government This reports retetes only to the samples reported above. QuaWy control data finduding 95% confidence limits 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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