NYC-WTC_000200611

NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard Orlan Received: 6/20/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 8190 28-11 Queens Plaza North Analysis Date: 6/20/02 Long Island City, NY 11101 Fax; (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) 2_,; . Analytical Asbestos f f Area Non Asbestos It Structures Sensitivity Concentration i Sample Volume Analyzed Asb Type(s) O.Sp-S 5p (S/cc) (S/mm^) (S/cc) Notes 1

11 01 12 ; 2 1840.00 0.0450 0 None Detected ; 0 0 1 0.0047 <22.241 1 <0.0047 ’ 8190 -1 -.y, : , ': ■ ;: '

1-1 02212/; 1840.00; , 0.0450 : : 0 1 None Detected 2 ; 0 _ 0 . 0.0047 <22.24 ; <0.0047:y >f/si9a -2

SliP^tllli ';.- ; :: 1840.001' 0.0450 122 0'1'2 Detected 112'o ' I 0'1 20.0047 2 <22.24 1: '<010047 11:’ Sff 8190 22"121. 222y - 2’2;2 ; ; ,,:y:2 22

12 0411; ;/l Illi;;!; 1840.00 2 0.0450 o i l None Detected Y-?jO/lYllO^PlY0.00471:1 <22.24 S <0.00472'211 ilTYisipai-yia-YY.;./' EYWiiY^

;22;2 05 llll l.; ;:11 f 840.00 2? 0:0450 112 0 H None Detected 1. 11 0/1 1101; 2'0.0047 2- <22.24 1111<0.0047

1 111 OC 111 121'1:2 1840.00 1 '0.0450 1 i l O 1 None Detected"1*'ll 0 1 1 0 ''i 0.0047 <22.24 1 <0.0047 ';;2; / ' I/21<::1 21

10L22 :2<;lj2/ l g4g;00 1:10.0450 2'120 W None Detects 0.0046 2 < 22.24 22 Yol0046;221

MARK PEYSAKHOV ■ , MICHAEL A. GORYCKI, Ph-ELj Y

1 Analyzed

; Disclaimer: The lacoratoy is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is OBtyfesponsible I for data reported in structures/mmt This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim ..... 1 : product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above. QuaSty control data (including 9E% - ' ( 2 2 confidence limits and laboratory and analysis'accuracy and precision) is available upon request. 2 ■; 'if

Accredited for NVLAP PimEM #101187-0, NY State ELAP #10879

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NYC-WTC_000200611