NYC-WTC_000188403

NYC 9/11 Public Portal Document

J Attn: Mr. Bernard Orlan Received: 5/11/02 4:30:00 PM N.Y.C. Board of Education ATC Group#: 7716 28-11 Queens Plaza North Analysis Date: 5/11/02 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 Il Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sp-5 Sfi (S/cc) fS/mm^) (S/cc) Notes

II 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 7716 -S

12 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -9

13 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -ID

14 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -II

15 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -12

16 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -15

n 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -14

18 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -15

19 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7716 -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by:

Disctaimer 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 stnictures/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 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 State ELAP #10879

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