ATC Associates asbestos fiber analysis report, June 2002

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Or Ian Received; 6/9/02 4:00:00 PM N.Y.C. Board of Education ATC Group#: 8022 28-11 Queens Plaza North Analysis Date: 6/9/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone; (212)477-8941 Project: New Stuyvesant H. S., 345 Chambers St., NY , NY

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) O.Sfi-5 Sft (S/cc) (S/mm^) (S/cc) Notes

17 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8022 -17

18 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S022 -/S

19 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8022 -19

20 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8027 .20

21 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8022 -21

MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structures/mmT 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 PLMJEM #101187-0, NY State ELAP #10879

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