Asbestos air analysis results, H.S., April 2002

NYC 9/11 Public Portal Document

- Attn: —Mr Bernard Orlan---- - ------------- - -------Received.—4/5/02^ 4:15:00 PM ... N.Y.C. Board of Education ATC Group #: 7333 28-11 Queens Plaza North Analysis Date: 4/5/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212) 477-8941 Project: H.S. Of Economics And Finance 100 Trinity Place, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHEFLA) -—---- ------Analytical Asbestos ------------ /drew Non Asbestos It Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sfi-S 5/1 (S/cc) (S/mnp) (S/cc) Noles

20 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7333 -/7

MICHAEL A. GORYCKI, Ph D MARK PEYSAKHOV Analyzed by Approved by:

Disclaimer: The laboratory is not responsible for data reported in struclures/cc. which is dependent on volume collectfted by non-laboratory personnel. This lacis only responsible for data reoorted in structures/mmi 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 96% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM/TEM #10; 187-0, NY State ELAP #10879

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