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: 9/23/02 8:00:00 AM -• ATC Associates Inc. ATC Group #: 8883 • 104 East 25th Street Analysis Date: 9!25i02 New York NY 10010 Fax: (212)353-3599 Phone: (212)353-3280 Project: DEP Clean-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 Asb Type(s) O.Sp-S Sp (S/cc) (S/mm') (S/cc) Notes

4 1760.00 0.0450 0 None Detected 0 0 0.0049 <22.24 <0.0049 8883 -I

5 1760.0.0 0.0450 0 CHRYSOTILE 0 2 0.0049 44.48 0.0097 —. 8883 .2

6 1760.00 0.0450 0 None Detected 0 0 0.0049 < 22.24 <0.0049

l 8883 • r

7 .• 1760.00 0.0450 0 None Detected 0 0 0.0049 <22.24 <0.0049 8883 •a

8 1764.00 0.0450 0 None Detected 0 0 0.0049 <22.24 <0.0049 8883 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed by Appro ed by:

Disclaimer. The laboratory is not responsible for data reported in structureslcc, which is dependent on volume collected by non-laboratory personnel. This lab s y 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 dam product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Duality control data (including 95% confidence limits and laboratory and analysis accuracy and precision) is available upon request

. Accredited for NVLAP PLMITEM #101187-0, NY State ELAP #10879

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