NYC-WTC_000196767

NYC 9/11 Public Portal Document

Attn; Mr Bernard Orlan Received: 9/5/02 8-00:00 AM NYC Boaid of Education ATC Group #: 8809 . 28-11 Queens Plaza North Analysis Date: 9/5/02 Long Island City, NY 11101 Fax; (212) 475-4122 Phone: (212)477-8941 Project; NYC-BOE PS 42M Project# 14584-871, . 71 Hester 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 Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sft-S 5fi (S/cc) (S/mm^) (S/cc) Notes

17 - I92S 00 0 0450 ' 0 None Detected 0 0 0.0044 <22.24 <0 0044 S809 -/7

IS 1928 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 8S09 -/S

MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph D

Analyzed by' Approved by-

Disclaimer The laboratory is not responsible lor data reported in structures/cc,"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 be reproduced, except in full, without wntten 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 GovemmenL 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 lor NVLAP PLM/TEM #101187-0, NY State ELAP #10879

PaiiL' 3 t/J 3

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NYC-WTC_000196769