NYC-WTC_000200664

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; Mir. Bernard Orlan A-7 ■ 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 3- 2 ■ 22 Area Non Asbestos # Structures Sensitivity Concentration Sample Polume Analyzed 2 As/, rype(s) O.Sp-S (S/cc) (S/mm^) (S/cc) Notes

sh 01 1840.00 7 0.0450 7 ; , 0 1; None Detected.; ) 0 : aa 0 ( . 0.0047 <22.24 , <0.0047 7 8243 --l’

7 “ 02 :f2 3222 3 1840.00. 7 0.0450 ' E O None Detected 7;0 O-/ ' 0.0047 <22.24 <0.0047 A2 ;8243 -2 , 7 :(

'Y.103';W'cY’''ll46u6o''77b:0450'Y7Yo’:i;'^on6Detect '0 ')■ 0 ;iY 0:0047 <22.24 <0.0047 : :322. 8243 2322 22333f33f3--22f -s 2 2 22^2'. 233 2 ■: 3 3 3 3 ^■■3. _ 3^ 7.^ , y,,,,.

1840.00^7/ 7 '0,00477 <22.24 - :<0.0047 La 2fSS2432-4ff3a^ 33:23 ■33 33323-■'■■,3:3:33.3,33 -,33 ■3 3 3 33,33333 : 3 ,3.3

ISWoO/a ‘0.045 07 Y a O r None Detected 1/ 0 <22.24 <0.0047 1

1840.00 A 0.0450 7 ' 0 None Detected 0 ,0 .7 , 0.0047 <22.24 <0:0047 SfcS243-^i6:

TSO5.OO) “'0,0450 ))g7 O/{ None Detected /i O- g (0 ''l;/ 0.0047 7 <22.24;, - <0.0047 A71’ iS/wY-TWii

Y e- MARK-PEY MICHAEL A. GORYCKl, Ph.D.

iAnaij^ed byO ' AMroved by; '

/ Disclaimer The laboratory is not responsible for data reported in structures/cc,. which is dependent on volume eollectea by non-laboratory personnel. This laPTT^nly 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 : 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% 7 confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

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

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NYC-WTC_000200664