NYC-WTC_000215802

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: .3/6/02 9:00:00 PM N.Y.C. Board of Education ATC Group#: 6958 28-11 Queens Plaza North Analysis Date: 3/7/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941 Project: New Stuyvesant H. S., 345 Chambers St., NY , 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 b/on Asbestos # Structures Sensitivity Concentration Sample l^olurne Analyzed Asb Type(s) 0.5f,-5 Sfi (S/cc) (S/mm^) (S/cc) Notes

20 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6958-20

21 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6958 -21

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by. Approved by.

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is deoendent on volume collected by non-laboratory personnel. This lab is only responsible lor data reported in structures/mm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim produci 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

CITY_21MC100_002876033

NYC-WTC_000215804