Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 • Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Fred Burkhardt Received: 9/19/02 8:00:00 Aft ATC Associates Inc. ATC Group #: 8861 104 East 25th Street Analysis Date: 9/21102 New York NY 10010 Fax: (212) 353-3599 Phone: (212)353-8280 Project: DEP Cleaan-up Project >;: 22906-0002 125 Cedar 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 Ash Type(s) O.S,u-S Sp (S/cc) (S/mm') (S/cc) Notes

01 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8861 -I

02 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8861.-1 -

1446.00 0.0562 0 NoneDetected 0 0 0.0047 <17.79 <0.0047 i i -3

04 1446.00 0.0562 0 None Detected 0 0 0.0047 <17.79 <0.0047 3861 -J

05 1452.00 0.0562 0 None Detected 0 0 0.0047 < 17.79 <0.0047 8361 -5

06 1380.00 0.0674 0 None Detected 0 0 0.0041 < 14.83 <0.0041 8861 -6

07 1380.00 0.0674 0 None Detected 0 0 0.0041 <14,83 <0.0041 8$61 -7

'VIARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D

Analyzed by i% ~^ pproved by

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in stnictures/mrr1. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim oroduct endorsement by NVI.AP or any other agency of the U.S. Government This reports relates only to Inc samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis accuracy and precision) is available upon request

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

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