NYC-WTC_000194188

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/3/02 7:45:00 PM N.Y.C. Board of Education ATC Group #: 7621 28-11 Queens Plaza North Analysis Date: 5/4/02 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) 0.Sp-5 Sp (S/cc) (S/mm^) (S/cc) Notes

8 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 762/ -8

9 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 762/ -9

10 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 762/ -/O

11 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 762/ -//

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7621 -12

13 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7621 -13

14 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7621 -/4

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 762/ -/5

'6 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 762/ -/6

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV Analyzed by: Approved by:

collect by non-laboratory peraonnel. This lab is only responsible Disclaimer. The laboratory is not responsible for data reported in structuies/cc, which is dependent on volume for data repotted in structures/mm’. This report may not be reproduced, except in fun, without written approval by ATC Associates Inc. This report may not be used to claim product endoisement 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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NYC-WTC_000194189