NYC-WTC_000201473

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: 4/17/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 7444 28-11 Queens Plaza North : Analysis Date: 4/17/02 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 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5fi-5 5ft (S/cc) (S/mm^) (S/cc) Notes

01 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7444 -1

02 ■ 1840.00 0.0450 0 . None Delected 0 0, 0.0047 <22.24 <0.0047 7444 -.

03 r 1840.00 0.0450 0 . None Detected 0 / 0 0.0047 <22.24 <0.0047 ' 7444 -3

04 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 7444 -4

' 05. . 'I, ../ 1840.00 0.0450' 0 None Detected ■ 0 0 0.0047 <22.24 <0.0047 I 7444' -5 : ■

06 - 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7444 -6

ON 840.00 0.0450 0 None Detected 0 0 ■ 0.00,47 <22.24 <0.0047 ■^7444

ROMAN PEYSAKHOV MICHAEL A. GORYCKJ, Ph.D.

Analyzed by: ATOroved by 4/

Disclaimer; The laboratory is not responsible for data reported in struotures/cc, which is dependent on volume coileoted by non-laboratory personnel. This;lab is only responsible , 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% confiderice limits and laboratory and analysis' accuracy and precision) is available upon request. .

Accrecited lor NVLAP PLMOTEM #101167-0, NY State ELAF #10379

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NYC-WTC_000201473