NYC-WTC_000182760

NYC 9/11 Public Portal Document

Attn: Mr. Bemard Orlan Received; 11/25/01 6:00:00 PM N.Y.C. Board of Education 28-H Queens Plaza North ATC Group #: 5974 Long Island City, NY 11101 Analysis Date: 11/26/01 Fax: (212) 475-4122 Phone: (212) 477-8941 Pi'oject: 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 Volume Analyzed Asb O.Su-S 5fi (S/cc) (S/mm^) (S/cc) Notes 19 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5974 -19

20 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5974 -20

21 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5974 -21

MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed J Approved by:

Disciaimer: The laooratory is not responsible tor data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. Ths lab is only responsible for data reported in structures/mm5 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. Qualily control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

I Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

CITY_21MC100_003101037

NYC-WTC_000182762