NYC-WTC_000223398

NYC 9/11 Public Portal Document

Attn: Mr Bernard OiTaii Received: 1.'27/02 7:00:00 PM N.\'.C. Board uf Education 28-1 I Queens Plaza North ATC Group#: 6479 Long Island City. NY 11101 Analysis Date: 1/28/02 Fa.s: (212)475-4122 Phone: (212) 477-8941 Project: NYC-BOE PS 234M Project#; 14584-1823 292 Greenwich St., New York, NY.

.Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Aiuilyticai Asbestus Area Non Asbestos Structures Sensitivity Concentriicioii Sample Ipliime Atialyzeil Ash Typeis) ll.5ii-S 5fi (S/cc) (S/mm^) (S/cc) Notes 9 1928,00 7.) J )4 50 I) None Detected 0 0 0.0044 <22.24 <0.0044 6479 -9

10 I92S.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6479 - III

11 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6479 -1 1

12 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6479 -1 2

13 1936.00 0.0450 0 None, Detected 0 0 0.0044 <22.24 ■ <0.0044 6479 -1.1

14 1928.00 0.0450 0 None Detected 0 0 (1.0044 <22.24 <0.0044 • 6479 -14

ROMAN PEYSAKHOV MICHAEL A. GORYCKJ, Ph.D.

Analyzed by: Approved by:

Disciaimer 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/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% 1 confidence limits and laboratory and analysis' accuracy and precision) is available upon request

! Accredited for NVLAP PLIWTEM #101187-0, NY State ELAP #10879-

CITY_21MC100_002890582

NYC-WTC_000223399