NYC-WTC_000228168

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 3/20/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 7146 28-11 Queens Plaza North Analysis Date: 3/20/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY Playground, Roof AU 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 Typefs) O.Sfi-5 S/u (S/cc) (S/mm>) (S/cc) P/otes

08 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 7146-8

051 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 7146-9

’0 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 7146-10

11 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 7146-11

12 1800.00 0.0450 ,0 NoneDetected 0 0 0.0048 <22.24 <0.0048 7146-12

'5 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 7146-13

1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 7146-14.

15 ISOO-OO 0.0450 0 . NoneDetected 0 0 0.0048 <22.24 <0.0048 7146-15

'<5 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 < 0.0048 7146-16

ROMAN PEYSAKHOV MICHAEL A. GORYCK.1, Ph D.

Analyzed by: approved by:

. Oisdairasr ths laboraloiy is not responsible for data reported in structures/cc, whidi is dependent on volume coiiected by non-iaboraiory personnel. This lao is only responsible for data reported in stiuctures/mm*. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to daim product endoisement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples repotted above. Quality control data (including 95% confidence limits and aboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PtM/TEM #101187-0, NY Slate ELAP #10879

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