NYC-WTC_000197846

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: 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: 2n/Q2 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY Playground, Roof, 1 st Floor Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Non Asbestos Structures Sensitivity Concentration Sample Volume Analyzed Asb O.Sft-S Sfi (S/cc) (S/mm’) (S/cc) Notes I 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -1

2 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -2

3 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -3

4 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584-4 C

5 1840.00 0.0450 0 None Delected 0 0 0.0047 <22.24 < 0.0047 6584 -5

6 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -6

7 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -7

8 1840..00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6584 -8

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Apnroved.by:

Disclaimer The laboratory is not responsible for data reported in structures/oc, which is dependent on volume collected by non-laboratory personnel. This lanTs 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 N VLAP PLM/TEM #101187-0, NY State ELAP #10879

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NYC-WTC_000197846