NYC-WTC_000223398

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306

.Attn: Mr. Bernard Orlan Received: 1/27/02 7:00:00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group#: 6479 Long Island dry. NY 11101 Analysis Date: 1/28/02 Fax: (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) Analytical Asbestos Area Non 'Asbestos Structures Sensitivity Concentration Sample iolunie Analy:.eil Asb Type(s) n.5fi-5 (S/cc) (S/mnr) (S/cc) Notes 1 193(1.00 0.0450 0 None Detected (I I) 0.0044 <0.1)044 6479 -1

2 I92S.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0,0044 6479 -2

3 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6479

4 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0:0045 6479 -4

5 . 1928.00 0.0450 0 None Detected 0 ■ 0 0.0044 <22.24 <0.0044 6479 -5

6 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6479 -6

7 1920.00 0.0450 0 None Detected ' 0 0 0.0045 <22.24 <0.0045 6479 -7

8 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6479 -5

ROMAN .PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: zApproveAby:

! Disclaimer: 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 I for 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 Io claim I 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% i 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_002890581

NYC-WTC_000223398