NYC-WTC_000214730

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/14/02 9:00:00 PM N.Y.C. Board of Education ATC Group#: 8106 28-11 Queens Plaza North Analysis Date: 6/15/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: NYC-BOE PS 234M Project#: 14584-1823

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 l^olume Analyzed Asb Type(s) 6.5ft-5 Sfi IS/cc) (S/mm^) (S/cc) Notes

08 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S106 -S

09 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SIQ6 -9

10 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SI06 -10

II 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8106 -II

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S/06 -12

13 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8106 -13

14 1928.00 0.0450 0 None Delected 0 0 0.0044 <22.24 <0.0044 SI06 -!4

15 1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SI06 -li

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: A^roved

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 for data reported in struc1ures/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 EUP #10879

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