NYC-WTC_000198319

NYC 9/11 Public Portal Document

« Attn; Mr. Bernard Orlan Received: 5/23/02 8:00:00 PM N. Y.C. Board of Education ATC Group#: 7845 28-11 Queens Plaza North Analysis Date; 5/23/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos /irea Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5ft-5 5f, (S/cc) (S/mmf (S/cc) Notes

08 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -8

09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -9

10 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -10

II 1848.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 7845 -II

12 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -12

13 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -15

14 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -14

15 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -15

16 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7845 -16

/ MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: ^proved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume by non-laboratory personnel. lb is only responsible fordala repotted in staictures/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.

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

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