NYC-WTC_000193201

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/11/02 8:00:00 PM N.Y.C. Board of Education ATC Group #: 8053 28-11 Queens Plaza North Analysis Date: 6/11/02 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 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Anaiyzet/ Asb Type(s) O.Sfi-S 5/1 fS/cc) (S/mm^) (S/cc) Notes

1I 1816.00 0.0450 0 None Detected, 0 0 0.0047 <22.24 <0.0047 8053 -8

12 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -9

13 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -10

14 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -II

15 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -12

16 1816,00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -13

17 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -14

18 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -15

19 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8053 -16

MARK PEYSAKHOV MICHAEL A. GORYCK.I, Ph.D.

Analyzed by: ^Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. Tlfcdab is only responsible fo • data reported in stnjctures/mmt T his 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 Dy NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control data (including 95% ccnfidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLMTEM #1C1187-0, NY State ELAP #10879

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