NYC-WTC_000201028

NYC 9/11 Public Portal Document

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

Attn; Mr. Bernard Orlan Received: 5/21/02 .8:00:00 PM N.Y.C. Board of Education ATC Group #: 7823 28-11 Queens Plaza North Analysis Date: 5/21/02 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 .Son Asbestos It Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sfi-S 5fi (S/cc) (S/inin^) (S/cc) Notes

0’ 4840.00' 0.0450 '- 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 7823 -I

02 : 1840.00 . 0.0450 0 : None Detected 'O' 0 0.0047 <22.24 <0.0047 7.7 7823

i 03: ry.: T840i00 0.045b:i<^ i Y NoneDetected ■ 0/ / 0 :7 0.0047 ' <22.24 <0^0047 ^7823 -

'M:'77: 1840.00 0.0450 0 None Detected 0- 0 0.0047 <22.24 <0.0047 . 7823 -4:

:05 1S40.00 ■ 0.045'0 0 None Detected 0 0 0.0047 <22.24 ■ . <0.0047 7823 -J

: 06 y : ! 840.00 0.0450 ' 0 done Detected 0 0 0.0047 <22.24 <0.0047 7 ,7823:-6

■ y07 <4 1840,.00 0.0450 0 None Detected 0 0. 0.0047 <22.24 <0.0047 '.,'77823.

MARK PEYSAKHOV MICHAELA. OORYCKI, Ph.D.

Approved by: I

□isclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by 'non-laboratory personnel, ThisTab is only responsible for data reported in structures/mmT This report, may not be reproduced, except in full, without written approval by ATC Associates Ino. 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 laboratory and analysis'accuracy and precision; is available upon request.

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

Page J of 2

NYC-WTC_000201028