NYC-WTC_000197182

NYC 9/11 Public Portal Document

Attn; Mr. Bernard Orlan Received: 3/19/02 7:00:00 PM N.Y.C. Board of Education ATC Group#: 7134 28-11 Queens Plaza North Analysis Date: 3/19/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941

Project: H.S, Of Economics And Finance

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 Colume Analyzed Asb Type(s) O.Sp-S 5ft (S/cc) (S/mmf (S/cc) Notes

10 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134 -8

II 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134 -9

12 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134-10

13 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134-11

14 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134-12

15 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134-13

16 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7134 -14

17 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 7134-15

18 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 7134 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Anproved 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-wTly responsible for data reported in structures/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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