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 U ( Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Fred Burkhardt Received: 9.'17102 8:00:00 AM ATC Associates Inc. ATC Group #: 8847 104 East 25th Street Analysis Date: 9/19'02 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 I'olume Analyzed Asb Type(s) O.Sp-5 5: ('S/cc) (S/intn') (S/cc) Notes

1 241n 00 0.0450 0 None Detected 0 0 1) 0036 < 22.24 <0.0036 AJV' -/

-' 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SSJ7 -2

2390-00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 847 -3

4 2390.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 847. -d

2380.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 ssa7 -5

(' • 2800.00 0.0450 0 None Detected 0 0 0.0031 <22.24 <0.0031 .6

2Sn0.00 0.0450 0 None Detected 0 0 0.0031 <22.24 <Q.0031

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D

Analyzed by Approved 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 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 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°0 confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMREM x101187.0. NY State ELAP #10879

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NYC-WTC 000129886