NYC-WTC_000211712

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/21/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 8209 28-11 Queens Plaza North Analysis Date: 6/22/02 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 t^olume Analyzed Asb Type(s) 0.Sp-S Sp 6SZcc) (S/mm’) (S/cc) Notes

08 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 S209 -a

09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 a209 -9

10 1840.00 0.0450 0 CHRYSOTILE 1 0 0.0047 22.24 0.0047 8209 -10

11 1848.00 0.0450 0 None Detected 0 0 0.0046 < 22.24 ' <0.0046 8209 -II

12 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8209 -12

13 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 S209 -13

14 1805.00 0.0450 0 None Detected 0 0 0.0047 < 22.24 < 0.0047 8209 -14

15 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 8209 -IS

16 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8209 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: iproved by.

Oisdaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This fetrf^'oniy responsible i for data reported in stnjctures/mml 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

Axredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

Page 2 of 2

CITY_21MC100_002865101

NYC-WTC_000211713