NYC-WTC_000212770

NYC 9/11 Public Portal Document

Attn; Mr Bernard Orlan Received: 6/4/02 8:00:00 PM N.Y.C. Board of Education ATC Group #: 7967 28-11 Queens Plaza North Analysis Date: 6/4/02 Long Island Ciiy, 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 Ir'olume Analyzed Asb Type(s) O.Sfi-S Sf, 6SZccJ (S/mm7) (S/cc) Notes

08 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7967 -8

09 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 -9

10 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 796.:' -10

1I 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 70(57 -II

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7967 -12

13 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7967 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7967 -14

’5 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7967 -15

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by; ■pproved by:

Disclaimer The laboratory is sot responsible for data repotted in siructures/cc, which is dependent on volume by non-laboratory pensonnel. This lab is only responsible for data reported in structures/minT 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 endoreement 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 PLMZTEM #101187-0, NY Slate ELAP #10879

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