NYC-WTC_000201225

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, Remard Orlan Received; 4/1/02 5:00:00 PM N.Y.C. Board of Education ATC Group#: 7291 28-11 Queens Plaza North Analysis Date; 4/1/02 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 . H Structures Sensitivity Concentration Sa/itp/e i^olinne Anatys.erl Asb Typefs) 5/i- fS/cc) (S/mm-) , fS/cc) Notes

01 1840.00 0.0450 0 NoneDetected - 0 , 0 0.0047 <22.24 <0.0047 72SI -!

02 1840100 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 729/ -2

0.7 1840,00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 7291

0“/ 1840.00 '0.0450, 0 NoneDetected 0 0 0.0047. <22.24 <0.0047 729/ -4

05r 1840.00 0.0450 0 NoneDetected 0 , 0 0.0047 <22.24 <0.0047 '729J -J

06 - 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 U9J -6

' 07.,.' 1840.00 0.0450 C None Detected 0 0 0.0047 <22.24 • <0.0047 72- 729'1 -7

.ROMAN PEYSAKHOV , MICHAEL A. OORYCKI, Ph.D.

Analyzed by: Approved by

Disclaimer: 7:ne laboratory is not responsible for data reported in strictures/cc, vnich is dependent on volume collected by non-laboratory personnel. This lab is only responsible tor data reported in structurss/mmT This repon may not be reproouced, except in full, without written approval by ATC Associates Inc, This report may not be used to ciaim proouct encorsement by N VLAP 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'equest.

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #'0875

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NYC-WTC_000201225