NYC-WTC_000202365

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 9/10/02 8;00;00 AM N.Y.C. Board of Education ATC Group#: 8828 28-11 Queens Plaza North Analysis Date: 9/10/02 Long Island City, NY 11101

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

Project: NYC-BOE Muiray Bergtraum HS 411 Pearl Street. 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 Seasilivity Concentration Sample Coluine Analyzed Asb Type(s) 0.5/i-S Sfi (S/cc) (S/mm^) (S/cc) Notes

17 1928.00 0.0450 0 None Detected 0 0 U.U044 <22.24 <0.0044 8828 -17

18 1928.00 0.0450 0 None Detected 0 0 0,0044 <22.24 <0.0044 -18

19 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SS2S -/9

20 . ! 920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8823 -20

2’1 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 5525 -21

1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SS28 -22

23 1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0,0045 8828 -23

MICHAEL ,4. GORYCKl. Ph.D. MARK PEYSAKHOV

■ Analyzed by:

Disclaimer: The laboratory is not responsible for data reported in structures/oc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structures/mm’. This report may not oe reproduced, except in full, without written approval by ATC Associates inc. This report may not be used to claim product endorsement by N VLAP or any other aoency of the U.S. Government. This reports relates only to the samples reported above. Quality control data (including 95% confidence iimits and laboratory and analysis' accuracy and precision) is available upon request.

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

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