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: Benjamin Sallemi Received: 10/9/02 3:00:00 AM ATC Associates Inc. ATC Group #: 3945 104 East 25th Street Analysis Date: 10/12/02 New York NY 10010

Fax: (212)353-3599 Phone: (212)353-8280

Project: DEP Clean-up ATC Project #: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TENT) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5p-S 51r (S/cc) (S/mm') (S/cc) Notes

03 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 3945 -1

04 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 - -- - 8945 -2

5 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 8'945 -3

06 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 8945 -4

0- 7 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17-79 <0.0041 8945 -5

08 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 8945 -6

09 1680.00 0.0562 0 None Detected 0 0 0.0041 < 17.79 <0.0041 3945

OV MICHAEL A. GORYCKI, Ph.D. ROMAN PEYSA

Analyzed by: A roved by:

Disclaimer The laboratory is not responsible for data reported in structuresicc, which is dependent on volume ed by non-laboratory personnel. This la ly responsible for data reported in structures/mm. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to c:aim product endorsement by NVLAP or any other agency of the U.S. Government This reoorts relates only to the samples reported above. Cuaiity control data (including ?5"u confidence limits and laboratory and analysis accuracy and precision) is available upon request.

accredited for NVLAP PLMrTEM :101187.0. NY State ELAP 410879

Monday, October /4, 2002 Page I of 1

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