NYC-WTC_000197846

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 2/6/02 8;30;00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group #; 6584 Long Island City, NY 11101 Analysis Date: 2/7/02 Fax: (212)475-4122, Phone; (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY Playground, Roof ,1st Floor Hallway

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 Analyzed Asb Type(sJ 0.5fi-5 Sf, (S/cc) fs/mm>) (S/cc) Notes 9 1840.00 0.0450 0 None Detected , 0 0 0.0047 <22.24 <0.0047 6584 -9 .

10 1 840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 ■ <0.0047 6584 -10

II 1840.00 0.0450 0 None Detected 0 0 0.0047 -<22.24 <0.0047 6584 -11

12 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -12

13 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584-13

14 1840.00 0.0450 0 None Detected 0 0 6.0047 <22.24 < 0.0047 6584-14

15 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584-15

16 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -16

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 dependent on volume collected by non-laboratory personnel. ThSTab is only responsible for data reported in structures/mmt 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.

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

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