Asbestos fiber analysis report, H.S. [name] & [name], Mar 2002

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: 3/17/02 4:00:00 PM N.Y.C. Board of Education ATC Group #: 7111 28-11 Queens Plaza North Analysis Date; 3/17/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212) 477-8941 Project: NYC BOE H.S. For Leadership & Public Services 90 Trinity Place, New York, NY

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 Colume Analyzed Asb Type(s) 0.5fi-5 5p (S/cc) (S/mnC) (S/cc) Notes

04 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111 -1

05 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111 -2

06 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111-3

07 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111-4

OS 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111-5

09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111 -6

10 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7111-7

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV Analyzed by Approved by:

Disclaimer: The laboratory is not responsible for data reported :n structures/cc, which is dependent on voiume collected// non-laboratory personnel. This,Ws jXly responsible for data reported in structures/mmT This report may not be reproduced, except in full, without wntfer approval by ATC Associates Inc. This report may not oe 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 PLMfTEM #101187-0, NY State ELAP #10879

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