NYC-WTC_000191801

NYC 9/11 Public Portal Document

Atln: Mr, Bernard Orlan Received: 6Z15/02 4:00:00 PM N.Y.C. Board of Education ATC Group#: 8121 28-11 Queens Plaza North Analysis Date: 6/15/02 Long Island City, NY 11101

Fax: (212)-475-4122 Phone: (212) 477-8941

Project: New Stuyvesant H. S. , 345 Chambers St., NY , NY Exterior and Interior of Building and Roof

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 Saittjile Volume Analyzed Asb Type(s) 0.5/i-S Sfi (S/ccl (S/mm^) (S/cc) Notes

S 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 ' <0.0044 SI2I -8

9 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8121 -9

10 1960.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 2121 -10

I 1 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SI2I -ir

12 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SI2I -12

13 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SI2I -12

14 1944.00 0.0450 0 None Detected 0 0 0.0044 < 22.24 <0.0044 SI2I -14

15 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 2121 -IS

16 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 S12I -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by; y^proved by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This feSis only responsible 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 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 PLMTEM #101187-0, NY State ELAP #10879

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