NYC-WTC_000200476

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: 6/12/02 8:00:00 PM N.Y.C. Board of Education ATC Group #: 8072 28-11 Queens Plaza North Analysis Date; 6/12/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY Playground, Roof All Floors Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 4n CFR Part763 Fiiial Rule (AllERA) Analytical Asbestos Area Non Asbestos if Structures Sensitivity Concentration Sample A^olame Analyzed Asb Type(s) O.Su-S (S/cc) (S/inm-j (S/cc) Notes

01 . 1840.00 0.0450 0. NoneDetected 0 0 0.0047 <22.24 <0.0047 80/2 -1

' 02 ■. 1S40.O0 0.0450 0 NoneDetected 0 . 0 0.0047 <22.24 <0,0047 S072 -2 ■

03 i: . ' 1840.00 0.0450 / 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 8072--3

**1. r '1840.00 0/0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 / 8072 -f .2 ■ i . 2 ‘

5*5/ 7 ;- 1840 00 b 0 0450 r „ NoneDetected 0 0 0.0047 <22.24 <0.0047 S072 i :/ - /

/ 06 1840/00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 S072 -6 7,ri, . 7 "

/ ' 'Y 0 NoneDetected 0 / 0 0.0047 <22.24 <0.0047 7f/ 8072\'-,77;77-i:i/^2\7

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approx cl by:

, : i Disclaimer: The laboratory is not responsible for data reported in structures/cc. which is dependent on volume collected by non-laboratoiy personnel. This IfthSonlpesponsible j 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 . t product endorsement by NVLAP or any other agency of the U.S. Government. This reports relate 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 PLfd/TEM #101187-0, NY State ELAP #10879

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NYC-WTC_000200476