ATC Associates cover sheet, 345 Chambers Street, Nov 2001

NYC 9/11 Public Portal Document

.Attn: Mr. Bernard Orlan Received: 11/28/01 9:00:00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group#: 5986

Long Island City, NY 11101 Analysis Date: 11/29/01 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 Non -Asbestos Structures Sensitivity Concentration Sample Volume Analyzetl Asb O.jfi-5 5/1 (S/cc) (S/mm=) (S/cc) Notes 19 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5986 -19

20 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5986 -20

21 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5986 -21

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: (Pproved by: V.

Disclaimer: The laboratory is no: responsible for data reported in strucluresycc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible tor data reported in structures/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.

Acc-edited far NVLAP =_V~Ey #101187-0, NY Stale ELAP #10879

CONFIDENTIAL, CITY_21MC100_003458493 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000179229