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NYC-WTC_000196548

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NYC 9/11 Public Portal Document

Attn. Yiannis Efstathiou Received: 9/14/02 6 00 00 PM ATC Associates Inc ATC Group#: 8837 104 East 25th Street Analysis Date: 9/15/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project- NYC-DOE PS 124M ATC Ptoject # 14584-0877 40 Division Stieet, 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 yolume Analyzed Asb Type(s) 6 Sfi-S 5fi (S/cc) fS/mm’) (S/cc) Notes

08 1928 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 8837 -8

09 1928 00 0 0450 0 None Delected 0 0 0 0044 <22 24 <0 0044 8837 -9

10 1944 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 8837 -10

II 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 8837 -/I

12 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 8837 -/?

13 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 8837 -13

14 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 < 0 0045 8S37 -14

15 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 8837 -13

ROMAN PEYSAKHOV MICHAELA CORYCKI.Ph D

^proved by

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel This Sb^ 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 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

Accredited for NVLAP PLMZTEM #101137-0, NY State ELAP #10879

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CITY_21MC100_0 03041657

NYC-WTC_000196549

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NYC-WTC_000196549Source: NYC Law Department, mirrored locally

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