NYC-WTC_000190835

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/27/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 7559 28-11 Queens Plaza North Analysis Date: 4/28/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: New Stuyvesant H. S., 345 Chambers St., NY . NY Exterior and Interior of Building and Roof

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 l^olume Analyzed Asb Type(s) 0.5/t-5 S/i (S/cc) (S/mm^) (S/cc) Notes

17 1960.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7359 -17

18 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7359 -IS

19 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 75dS> -19

20 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7559 -20

21 1936.00 0.0450 0 None Detected 0 0 0,0044 <22.24 <0.0044 7359 -21

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: ived by:

Disclaimer: The laboratory is not responsible (or data reported in structures/cc, which is dependent on volume collected by non-laboratory pereonnel. lb isnnly responsible (or 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 to claim product endoreement 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 (or NVLAP PUWTEM #101187-0, NY State SLAP #10879 ■

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NYC-WTC_000190837