NYC-WTC_000202531

NYC 9/11 Public Portal Document

/Attn; Mr. Bernard Orlan/ Received; 8/24/02 10:00;OOFM : N. Y.G. Board of Education ATC Group #: 8759 • 28-11 Queens Plaza North Analysis Date: 8/25/02 Long Island City^/. NY 11101 ^ax: <212) 475-4122 ■; /' . Phone; (212)477-8941 Project; PS IM Project #: 14584-869 / 8 Henry Street, New York, NY

Asloestos Fiber Analysis by Transmissiop Electron Microscopy (TEM) Performed by EPA 40 GFR Part 763 Final Rule (AHERA)

Concentratiuit I , 1 Sample Volume Typefs) 0.5fi-5 Sfi (S/cc) I (S/cc) Notes

08 ; / .1920/00 0.0450 0 None Detected / 0 0 0.0045 <22.24 / <0.0045 :8739 .-8:

1928.00 0.0450 0 None Detected 0 0 0,0044 <22.24 <0/0044 S759 -9'

/: 10 y, 1936.00 / 0.045O' : 0( None Detected 0. G 0.0044 <22.24 <0.0044 ( 8759 -JO-

1111/ ■ 1920.00: ( 0.0450 0 None Detected 0 0 0.0045 :< 22.24 < 0.0045 8759 -JI

12: 1/ 1920.00: 0.0450 / 0 None Detected , 0 0 0.0045 <22.24 <0.0045 S759 -12 2 - I 'l 13 1920.00 0.0450 :0 NoneDetected ( 0 0 /a.0045 <22.24: <0.0045 8759-13

:: 14-3 1920.00 G.0450 ■ 0 None Detected 0 0 / 0.0045 / <22.24< <0.0045’ ' ■ 1 S759 -14

t5> :;. 1920.00 0.0450 / : • 0 None Detected 0 /: 4 0..0045 <22.24 <0.0045 8759: -J5

16 / : 1920.00 0.0450 / 3^ 0.0045 / <22.24 <0.0045 8759 -16 7- : / ■ / :/: '

ROMAN PEY; MICHAEL A. GORYCKl. Ph. D.

.' Analyzed by: proved by:

Disclaimer: The laboratory is not responsible for data reported in strjctures/cc. which is dependent on volume colledfed by non-laboratory personnel. TlMp is only responsible (or data reported tn structures/mniT This report may not be reproocced except in full, without written approval by ATC Associates Inc. This report may not be used to claim / productendorsementby 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. /

/ Accrediteo tot NVLAP PLmEM #1011874), NY State ELAP#10879

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