NYC-WTC_000228870

NYC 9/11 Public Portal Document

Attn; Mr, Bernard Orlan Received: 5/12/02 6.00.00 PM N.Y.C. Board of Education ATC Group#; 7723 28-11 Queens Plaza North Analysis Date: 5/12/02 Long Island City, NY lllOl Fax: (212)473-4122 Phone; (212)477-8941 Project: U.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 !Son Asbestos It Structures Sensitivity Concentration Sample t'tflitme Analyzed Asb Typefs) e.sp-s sp (S/ix) (S/ittnr‘1 fS/cc) IVotes

10 3 800.00 0,0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 7723 S

II 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0 0048 7723 -Q

12 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7723 -Id

13 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <00047 7725 -II

14 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7723 -12

15 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7723 -13

to 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <00048 7723 -14

17 i 800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <00048 7775 -/5

18 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <00047 7725 ~I6

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed Approved by:

Disclaimer The labcraton is not responsible lot data reported in structjrea'cc. which Is dependent on volumeI collected^ nonAaboratory personnel. This lab soniy responsible for data repotted.tn structurea/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 report relates only to the samples reported above. Quality control data (inciuoing 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLWfTEM #101187-0. NY State ELAP #10679

fape 2 i/f .1

CITY_21MC100_002901824

NYC-WTC_000228871