Asbestos fiber analysis summary, PS 89M, Feb 2002

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received; 2 25'02 6:00:00 aM N.Y.C. Board of Education ATC Group#: 6S32 28-11 Queens Plaza North Analysis Date; 2/26/02 Long Island City. NY 11101 Fax; (212) 475-4122 Phone: (212)477-894! Project: PS 89M 201 Warren Street, New York, NY Playground, Roof All Floors 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 Samp/e l^'olnme Analyzed Asb TypefsJ 0.5f,-5 (S/cc) (S/mm^) (S/cc) Notes

09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -9

10 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -10

11 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -I I

12 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -12

1.3 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -13

14 I 840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -14

15 , 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -15

16 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6832 -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

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Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collerwd by non-laboratory personnel. This laojronly 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% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMZTEM #101187-0. NY State ELAP #10879

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