NYC-WTC_000200748

NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard Orlan Received: 5/4/02 8:00:00 PM' N. Y.C. Board of Education ATC Group#: 7638 . 28-11 Queens Plaza North Analysis Date: 5/4/02 Long Island City, NY 11101

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

Project: PS 89M 201 Warren Street, New York, NY Playground, Roof All Floors Hallway

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 Analyted Asb Type(s) O.Sft-S 5p (S6cc) (S/min^) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0' 0 0.0045 <22.24 <0.0045 7638.-I

02 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 763S -2

n3''33Y 1920.00 0.0450 ' 0 None Detected. 0 0 0.0045 <22.24 <0,0045 ■-3 7638

I '1920100 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 2638 -4 6 : 1 1 I.

7 05 7 ■ . 1920.00 0.0450 0 None Detected 01 0 0.0045 <22.24 <0.0045 ■ 7638 -J

OS 1520.00 0.04.50 0 None Detected 0 G 0.0045 <22.24 <0.0045 7638 -6 ■

't07 / 1920.00 0.0450 0 None Detected 0 I 0 0.0045 <22.24 <0.0045 7638 -7

ROMAN PE' MICHAEL A. .GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimet; The laboratory is not responsible for data reported in struciures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible L for data reported in structures/mmf This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report tray not be used to claim product endorsement by NVLAP or any other agency of tne U.S; Sovemment This reports relates only to the samples reported above. Quality control date (including 35% , confidence limits and laboratory and ana ysis' accuracy and precision) is availaole upon request.

Accredited for NVLAF PLMfTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000200748