NYC-WTC_000188427

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/12/02 6:00:00 PM N.Y.C. Board of Education ATC Group#: 7722 28-11 Queens Plaza North Analysis Date: 5/12/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: H.S. for Leadership & Public Service

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos ft Structures Sensitivity Concentration Sample yolume Analyzed Asb Type(s) 0.5p-S 5p (S/cc) (S/mm‘) (S/cc) Notes

08 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -S

09 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -9

10 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -10

II 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -II

12 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -12

13 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 7722 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7722 -/4

15 2160.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 7722 -15

16 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7722 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Improved by:

Disclaimer: The laboratory is not responsible for data reported In structures/cc, which is dependent on volume collected by non-laboratory personnel. This only responsible for data reported in stwctures/mm’ This report may not be reproduced, except in luH, 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 NVLAPPLNVTEM #101187-0, NY State ELAP #10379

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