Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9/16/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8840 • 104 East 25th Street Analysis Date: 9/ 17,02 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 Volume Analyzed .4sb Type(s) O.5p-5 5p (S/cc) (S/mm') (S/cc) Notes 28 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8840 -26

29 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8840 -27

30 241)0.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 R,Y.4U :b

31 140000 0.0450 U None Detected 0 0 0.0036 <22.24 <0.01)36 kJ(' .$'J

2400 00 0.0451) (1 None Detectea 0 U 0.0036 <22.24 <0.003.0 4) -3(1 . 2 ,3 2400.00 0.0450 1) CHRYSOTILE I 0 0.0036 22.24 0.0036 8840 -3r

34 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 88.40 -32

35 2400.00 0.0450 0 CHRYSOTILE 0 1 0.0036 22.24 0.0036 8840 -33

34 2400.00 0.0450 0 CHRYSOTILE I 0 0.0036 22.24 0.0036 -34 ' L .~

ROMAN PEYSAKHOV MICHAEL A. GORYCKI. Ph.D

Anulvzed 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. T is only for data reported in structures/mm'. This report may not be reproduced, except n full, without written approval by ATC Associates Inc. This report may not be used to responsible 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 PLM/TEM ;101187-0, NY State ELAP #10879

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