NYC-WTC_000188470

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/26/02 4:00:00 PM N.Y.C. Board of Education ATC Group#: 7876 28-11 Queens Plaza North Analysis Date: 5/26/02 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 # Slructures Sensitivity Concentration Sample Volume Analyzes! Asb Typefs) (S/cc) fS/mm^) (S/cc) Notes

08 1888.00 0.0450 0 None Detected 0 0 0.0045 <22.24 < 0.0045 7876 -8

09 1864.00 0.0450 0 None Detected 0 0 0.0046 <22.24 < 0.0046 7876 -9

10 1872.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7876 -10

It 1888.00 0.0450 0 NoneDstectad 0 0 0.0045 <22.24 <0.0045 7876 -II

12 1896.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7876 -12

13 1896.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7876 -13

14 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 < 0.0044 7876 -14

15 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7876 -IS

16 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7876 -16

MARKPEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimer The laboratory is not responsible ter data reported In structures/ec, which is dependent on volume coitected by non-taboratory personnel. ThsSb is only responsible for data reported in structures/mnP. 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 »the samples reported above. QuaSty control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited ter NVLAP PtM/TEM #101187.0, NY State ELAP #10879

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