NYC-WTC_000217239

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Or Ian Received: 6/1/02 5:00:00 PM N.Y.C. Board of Education ATC Group#: 7932 28-11 Queens Plaza North Analysis Date: 6/1/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: H.S. for Leadership & Public Service 90 Trinity Place, New York, NY

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

1! 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 < 0.0046 7932 -8

12 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -9

13 1880.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -10

14 1880.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -IJ

15 1880.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -12

16 1880.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -13

17 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7952 -14

18 1872.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7932 -JS

19 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7932 -16

ROMAN PEYSA^OV MICHAEL A. GORYCKI, Ph.D.

Analyzed by;

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible ' for data reported in stnjctures/mm7 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 forNVlAP PLMZTEM #101187-0, NY State ELAP #10879

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