NYC-WTC_000201890

NYC 9/11 Public Portal Document

ATC Associates 104.East 25 Street, New York, NY 10010 ' ■ Phone:(212) 353-8280 Fax: (212) 3'53-8306

.Attn: Mr. Bernard Orlan Received: 2/8/02 9:00:00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group #: 6608 Long Island City, NY 11101 Analysis Date: 2/9/02 Fax: (212) A75-4122 Phone: (212)477-8941

- Project: PS 89M 201 Warren Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHER4) Analytical Asbestos Area Non Asbestos Sensitivity Concentration Sample Volume Analyted Asb 0.5U-5 Su (S/cc) (S/cc) Notes 01 1840.00 0.0450 0 None Detected - 0 0 0.0047 <22.24 <0.0047 6608 -1

02 1 840.00 0.0450 0 None D.etected C 0 0.0047 <22.24 <0.0047 6608 -2.

03 1 840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6608 -3

04 ■ 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6608 -4

05 1840.00 0.0450 ’0 None Detected 0 0 0.0047 <22.24 <0.0047 6608 -5

■ 06): 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 :0.Q047 ■ 660'8 -6

07 ' . 1840.00 0.0450 0 None Detected. 0 0 .0.0047 <22.24 <0.0047 6608 -7

08 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6608 -8

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: .pproyed by:

Dis-slairner: The laboratory is not responsible for data reported in structures/cc, .vhich is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structures/mmA 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 oonliol data (including 95% confidence limits and laboratory and analysis'accuracy and precision) is available upon request.. . '

Accredited lor.NVLAF PLM/TEM#10.1187-0,.MY State ELAP #10875

CITY_21MC100_003269440

NYC-WTC_000201890