NYC-WTC_000193357

NYC 9/11 Public Portal Document

Attn’: Mr. Bernard Orlan Received: 6/20/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 8193 28-11 Queens Plaza North Analysis Date: 6/20/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: H.S. for Leadership & Public Serthce

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 i^olume Analyzed Asb Type(s) (S/cc) (S/mm^) (S/cc) Notes

11 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 S19.' -8

12 1816.00 0.0450 0 None Delected 0 0 0.0047 <22.24 <0.0047 8193: -9

13 1816.00 0.0451) 0 None Detected 0 0 0.0047 <22.24 <0.0047 8193 -10

14 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8193 -/I

15 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 3193 -12

16 1856.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 3193 -13

17 1856.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 3193 -14

18 1864.00 0.0450 0 None Detected 0 0 0.0046 . <22.24 <0.0046 3193 -15

19 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 8193 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: c. iproved by;

-je UZ ------ 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 fcr data repoded in stnjctures/mmT 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 otiier 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 PLMZTEM #101187-0, NY State ELAP #10879

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