NYC-WTC_000229282

NYC 9/11 Public Portal Document

Attn: Mr- Bernard Orlan Received; 6/14/02 9;00;00 PM N.Y.C. Board of Education ATC Group#: 8108 28-) 3 Queens Plaza North Analysis Date: 6/15/02 Long island City, NY 1110) Fax: (212)475-4122 Phone: (212)477-8941 Project; H.S. Of Economics And Finance

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos a Structures Se/isiiita^ Concentration Semple Volume Anelyzetl Asb Typefs) (kSfi-S Sfi (S/cc) fS/cc} Notes

10 iS24.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 S/OS .3

11 ) 808.00 0.0450 0 None Detected 0 0 0.0047 <22-24 <00047 8I0S -9

12 !S32.00 0.0450 0 None Detected 0 0 0.0047 <22,24 <0,0047 SI08 -10

13 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8!08 -II

14 1808.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 SI OS -12

IS 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8 IOS -15

16 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8108 -14

17 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 S!0S -15

18 1840,00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 SHIS -IS

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: ived by;

Disclaimer. The laboratory is not responsible for data reported in strutSuresIec, which is dependent on votume by tron-laboratoty petsonrwl Twrt& is only responsible tor data reported tn sttuctures/mm’. This report may not be reproduced, except in (uH, without written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP or arty other agency o( the U.S. Govemment This reports reiates only to the samples reported above. OuaSty control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accfsditeti tor NVLAP PLMTTEM #101187-0, NV State ELAP #10879

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