NYC-WTC_000228870

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orian Received; 5/12/02 6:00;00 PM N.Y.C. Board of Education ATC Group#: 7723 28-31 Queens Plaza North Analysis Date; 5/12/02 Long Island City, NY 11101 Fax; (212) 475-4122 Phone; (212)477-8941 Project; H S. Of Economics And Finance

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analyiica/ Area Nan Aiiestas Structures Sensitivity Caitcentratiaii Satnpfe fv^ofiime Analyzed Asb Typeis) fS/cc) (S/cc) iVotes

t9 1856.00 0.0450 0 None Detected 0 0 0.0046 <22.24 < 0.0046 771} -17

MICHAEL A CORYCKf, Ph.O. MARK PEYSAKHOV Analyzed /^proved by:

Disclaimer; The laboratory is not responsible for data reported in stnictures/cc, which is dependent on volume coltllecfed by non-taboratory personnel. This ab^niy responsible for data reported in structuresfmm'. This report may not be reproduced, except in full, withoutwriben approval by ATC Associates me. This report nay 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 .aoove Quality control data (including 95% confitfence limits and laboratory and analysis' accuracy and precision) is availabte upon request.

Accrectedtor NVLAPPLMTEM #1CJt87-3, N'" Stats SLAP W879

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CITY_21MC100_002901825

NYC-WTC_000228872