NYC-WTC_000200273

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 wl Phone:(212) 353-8280 Fax: (212) 353-8306

Attn; Mr. Bernard Orlan Received; 3/31/02' 7:00:00 PM N.Y.C. Board of Education ATC Group #: 7285 ' 28-11 Queens Plaza North Analysis Date; 3/31/02 Long Island Gify, NY 11101

Fax: (212) 475-4122 Phone: (212) 477-8941

Project: PS 89M 201 Warren Sheet, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHEIL\) Analytical Asbestos Area Non Asbestos ir Striiclurss Sensitivity Concentration Sample i^olume Analyzed Asb Type(s) O.Sft-S 5/t (S/cc) (S/cc) Notes

01 ' 1920.00 0.0450 0 - None Detected 0 0 0.0045. <22.24 <0.0045 7285 -1

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 -7285 -2

03 1920,00 0.0450 0 None Detected 0 0 0.0045 '<22.24 <0,0045 7285 -8

04/ . 1920.00 0.0450 - 0 None Detected 0 0 0:0045 <22.24 <0.0045 7285 -4

05 ' 1920.00 0.0450 - 0 None Detected 0 . 0 0.0045 <22.24 <0.0045 7285 -5

06 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 ■) <0.0045 7285 46

07) 1920.00 0.0450 0 NoneDetecied 0 0' 0.0045 <22.24 <0.0045 77285 -7

MARK PEY-SAKBOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Amoved by:

Disclaimer: The laboratory is not resporsibie for data reported in structures/cc, which is ceperrienf on yolume colected by non-laboratory personnel. This lab is only responsible for data reported in structures/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 oroduct endorsement by NVLAP or any other agency of the U.S. Government. T'nis reports relates only to the samples reported above. Quality control data (including 95% : confidence limits arrd laboratory and analysis' accuracy and precision) is available upon request. ,

Accredred for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

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NYC-WTC_000200273