NYC-WTC_000230221

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received; 2/2/02 5:30:00 AM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group#: 6549 Long Island City, NY 11101 Analysis Date: 2/3/02 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 Non Asbestos Structures Sensitivity Concentration Sample l^olunie Analyzeti Asb ^ypc(sj 0.5/i-S S/j (S/ec) (S/mm^) (S/cc) Notes 19 1944.00 0.0450 . 0 None Delected 0 0 0.0044 <22.24 <0.0044 6549 -19

20 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6549 -20

21 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6549 -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 collected by non-laboratory personnel. This rao is only responsible for data reported in structures/mmt 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 #101187-0, NY Stale ELAP #10879

CONFIDENTIAL, CITY_21MC1OO_OO3388941 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230223