NYC-WTC_000200664

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/23/02 6:00:00 PM N.Y.C. Board of Education ATC Group#: 8243 28-11 Queens Plaza North Analysis Date: 6/23/02 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) Analytical Asbestos Area Noit Asbestos H Structures Sensitivity Concentration Sample y'oluine Analyzed Asb Type(s) 0,Sfi-5 5fi (S/cC) (S/mm^) (S/cc) Notes

0^ , 1805.00 0.0450 0 NoneDetected "o 0 0.0047 <22.24 <0.0047 8243.-Sill: ■:2 1 a /,: -- a 1 '1' aa

09/ •//.////1805.00 0.0450 0 None Detected '.0 0 / '/0/b047 <22.24 <0.0047 82431-9 222-: 2

/f ’ 0'1' ':/ /// 1805.00 / 0.0450 ' 0/ None Detected a '0 '■/- 0 0/0047 <22.24 <0.0047 / 111 8243 -/02c- -1 ¥ lA'/l-A/y-.'y, .'a a<

1803.00' 0.0450// 0, None Detected / "'o y/ / 0 0.0047 <22.24 <0.0047 -2g243 -Il

0/ ' 0 / 0.0047/ <22.24/ <0.0047 // ’ 2iilllS243‘'-l21$i,2\122.2.111i-i^2 ''y: 1//1 -'/I;/ /////A^/^/:/i:./// - . ;' //////;/

1814.50// 0.0450/ 0 / /None Detected / I O/ // .0 0.0047 <22.24 <0.0047 f 2S243 '-131

/;/ •d4</A//y 1814.50 /1 0.0450 , 0 /- None Detected / 0 0 A ; 0.0047 A <22.24 <0.0047 ///A ^22 \s243, -]4'

/'' SS/1805.00 / 0.0450 '/ ' OA NoneDetected 0 ■ i' 0 / / 0.0047 / <22.24 '/ <0.0047 // y- ‘8243 IS- . 7 .2:

1805.00// 0.0450 ///: -0 < None Detected d' 0 / ,•/ 0,0047/ <22.24 , / <0.0047, / / 131282431-1^1

/;/ MARK PEYSAKHOy / // MICHAEL A. GORYGKI, Ph.D. / /

// Analyzed by: /? '/Approved by: / <

L Disclaimer The laboratory is not responsible for data reported in st'ucturestec, which is dependent on volume collected by non-laboratory personnel. This lab is iponsible : 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 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 iaboratoy and analysis' accuracyand precision) is available upon request.

Aeeredited for NVLAP PLMTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000200665