NYC-WTC_000217686

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/25/02 9:00:00 PM N.Y.C. Board of Education ATC Group#: 8280 28-11 Queens Plaza North Analysis Date: 6/25/02 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 GFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sfi-S 5^ (S/cc) (S/mm^) (S/cc) Notes

11 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8280 -8

12 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8280 -9

13 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8280 -10

14 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8280-11

15 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8280 -12

16 1856.00 0.0450 0 None Delected 0 0 0.0046 < 22.24 <0.0046 8280 -13

17 1856.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 8280 -14

18 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 8280 -13

19 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 8280 -16

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV

Analyzed —----- .pproved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume colleclM by non-laboratory personnel, Thislat^^niy^sponsible

for data reported in structures/mmE This report may not be reproduced, except in full, without written approval by ATG 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 PAICEY #101187-0, NY State ELAP #10879

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