NYC-WTC_000200561

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: 6/17/02 8:00:00 PM 4: ) , N.y.C. Board of Education ATC Group #: 8147 ( 4 ) 28-11 Queens Plaza North Analysis Date: 6/17/02 4, ) )^ 4,Long Island City, 44 NY , 11101 Fax: (212)475-4122 Phone: (212) 477-8941 Project: PS 89M . 201 A'arren Street, New York, NY Playground, Roof All Floors Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 GFR Part 763 Final Rule (AHERA) Analytical Asbestos : - Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) Notes

7 .■::4Y'4;:y ,1840.0a'.470.0450 h 0 None Detected ' 7 0 i 0 0.0047 <22.24 <0.0047 7 : ■ 8147 -1- 7-i, ■ . ; :.4-/ ■:-,..77- Y'.;/-

i 47 2 74^ 7 77 '7 1840.00 7^ 0.0450" -'7 0 7 None Detected 47o 7< 0 7 0.0047- i <22.24^^7 <0.00477 7 7 y '.tsidi ■■N’lS:: ■ :

577 7, 77777 7 1840'00 4 0,0450 7-7::.0 7 None Detected77'4 64 7 q <0.0047 81477-3 yyyS- tYilv-: :::4:S 4777.7.{7 ? Y'7. <;

None Detected ■ rih 0></0.0047 :<<22.24 ' <0.0047 3 (it

4:5 ’ / i (Y 0 NoneDetected 4 0^4 4^ 0.0047 4 <22.24 < 0.0047 :4- ■y 8!47N5-^ y

47h:75 ,7 7474:71840,00 ^•■^'■0 : 0 4/None Detected •' 0'7 0 i 0.00477- <22.24^ '7 <0.0047 7’ 7 yy 7 8147^ -67177 7,^ ■7yy,yy -7 77'777 7.'71> 777 777777 ; 4:7--y--'7:y,^fSy '

4^53744^ 184O:o644o.O45Q:Y Del8CtKl,).4; O'y YOj:7:O.pM7'1^5,22.244.SYO;0d47^^^

34) : ROMAN P tMICHAEt A. QORYCKI, Ph.D. /

»■ 4 Analyzed by: 1 ■ 4 Approved byr (YN.

-Wf________.________ :) Disclaimer: The laboratory, is not responsible for data reported in structures/cc, which is dependent on volume collected l^non-la»ratOTy^^nnel(ThisT^ responsible 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 hot of 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. Quality control data (including 95% :! confidence’limits and laboratory and analysis'accuracy and precision) is available upon request. <■ ;:

• y/ Accradited for NVLAP PLMfTEM #101187-0, NY State EAP #10879

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NYC-WTC_000200561