NYC-WTC_000211572

NYC 9/11 Public Portal Document

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ATC Associates 104 East 25 Street, New York, NY 10010 Phone:(212) 353-8280 Fax:(212)353-8306 IC Attn: Mr. Bernard Orlan Received: 6/10/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 8035 28-11 Queens Plaza North Analysis Date: 6/10/02 Long Island City, NY 11101

Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Wanen 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) (S/cc) (S/mm^) (S/cc) Notes

01 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 8035 -1

02 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8035 -2

03 1840,00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8035 -3

04 1840.00 0.0450 0 None Delected 0 0 0.0047 <22.24 < 0.0047 8035 -4

05 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8035 -5

06 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8035 -6

07 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8035 -7

ROMAN PEYSAK.HOV MICHAEL A. GORYCKI, Ph.D.

Anproved by:

Disclaimer The laboratory is not responsible for data reported in stnictures/cc, which is dependent on volume collected by non-laboratory personnel. This laoaonly responsible 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 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 PLMZTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000211572