NYC-WTC_000225725

NYC 9/11 Public Portal Document

.Attn; Mr. Bernard Orlan Received: . 12/22/01 6:00:00 PM N.Y.C. Board of Education 2S-11 Queens Plaza North ATC Group #: 6179 Long Island City, NY 11101 Analysis Date: 12/23/01 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 ■^^^estos Structures Sensitivity Concentration Sample . Volume Analyzed Asb Type(s) 0.5ft. 5 5ft fS/cc) (S/cc) Notes 19 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 . <0.0044 6179 -19

20 1936.00 0.0450 0 None Detected . 0 0 0.0044 .<22.24 <0.0044 6179 -20

21 . 1944.00 0.0450 0 None Detected 0 0 . '0.0044 <22.24 <0.0044 6179 -21

MICHAEL A. GOR.YCK1, Ph.D. ROMAN PEYS. Analyzed 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 reponed in stnictures/mmL 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 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 laboratory and analysis' accuracy and precision) is available upon request

Accredited lor NVLAP PLMZTEM #101187-0, NY,State ELAP #10879

CITY_21MC100_002921797

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