NYC-WTC_000216548

NYC 9/11 Public Portal Document

•Attn: Mr. Bernard Orlan Received: .2/28/02 9:00:00 PM N.Y.C. Board of Education ATC Group#:' 6874 28-11 Queens Plaza North Analysis Date: 3/1/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212) 477-8941 Project: New Stuyvesant H. S. , 345 Chambers St., NY , N Exterior and Interior of Building and Roof

Asbestos Fiber Analysisjiy Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample V'oliime Analyzed Asb .Type(s) 0.5f,-5 5f, (S/cc)- (S/min^) (S/cc) Notes

19 36.00 2.1918 • 0 None Detected ' 0 0 0.0049 <0.46 <0.0049 6874 -19

20 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6S74 -20

21 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6874 -21

ROMAN PEYSAKHOV MICHAEL A. GORYCKl. Ph.D.

Analyzed by: Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, Which is dependent on volume collectitea by non-labbratory personnel. This lab is only responsible for 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 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 for NVLAP PLM/TEM #1011874), NY .State ELAP #10879 '

CITY_21MC100_002877187

NYC-WTC_000216550