NYC-WTC_000191801

NYC 9/11 Public Portal Document

Attn; Mr. Bernard Orlan Received: 6/15/02 4:00:00 PM N.Y.C, Board of Education ATC Group#: 8121 28-11 Queens Plaza North Analysis Date: 6/15/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project; New Stuyvesant H. S. , 345 Chambers St., NA'’, NY Exterior and Interior of Building and Roof

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 Coluine Analyted Asb Type(s) (S/CC) (S/mm^) (S/ec) ^'otes

17 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 ' <0.0044 SI2I -17

18 1944.00 0.0450 0 None Detected 0 0 0 0044 <22.24 <0.0044 S12I -IS

19 1960.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 S/21 -19

20 1952.00 0.0450 0 None Detected 0 0 0.0044 <22,24 <0.0044 8/21 -20

21 1952.00 0.0450 0 None Detected 0 0 0.0044 <22,24 <0.0044 S/21 -2!

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: AMroved by:

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

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