NYC-WTC_000202531

NYC 9/11 Public Portal Document

Attn: Mr, Bernard Orlan Received: 8/24/02 10:00:00 PM N.Y.C. Board of Education 7 ATC Group 8759 7 7: : 28-lTQueens Plaza North : Analysis Date: 8/25/02 7 7 \.;<7TJGng Island City, NY d 1101 Fax: (212) 475-4122 : Phone: (212) 477-8941 '•1 Project: PS IM Project #: 14584-869 I

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed

: 1 Analytical Asbestos • 7^^ ^’on Asbestos # Structures Sensitivity ConcentratLoii : Sample A'olurrie Analyzed Asb (S/cc) (S/mm‘) (Sdcc) Notes

17 7 1 1920.00: 0.045 0 0 None Detected 0 0 0.0045 <22.24 <0.0045 8759 -J7 7 ■

1896:00 0.0450 0 NoneDetected 0 7 0 : 0.0045 <22.24 <0.0045 S73^ -/8 7

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ROMAN PEY& MI CH A EL A. GOR YCKI, PK d: /

. ' Analyzed by: Approved by:

Disclaimer: The laboratory is not responsible for data, reported in struotures/cc, which is dependent on volume collected by non-laboratory personnel. Ttiis-teC is only responsible for data reported in struciures/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 prbduct endorsementby N/LAPorany other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control data iinduding 95% | i confidence limits and laboratory and analysis’accuracy and precision) is available upon request.; 71

Accredited for NVLAP PLW/TEM #101187-0, NY State ELAP #10873

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