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 #: 3840 104 East 25th Street Analysis Date: 9/ 17/02 New York NY 10010 Fax: (212)353-3599 Phone: (212)353-32S0 Project: DEP Cleaan-up Project #: 22906-0002 I25 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.5p-5 Sp (S/cc) (S/mn►n) (S/cc Notes I `) 3400.00 0.0450 0 None Detected 0 0 ,840 -/7 0.0036 <22.34 <0.0036

20 2400.00 0.0450 0 None Detected 0 0 )S9r1 -/,Y 0.0036 <22.24 <0.0036

21 2400.00 0.0450 0 CHRYSOTILE I SSJO _/Q 2 0.0036 66.73 0.0107

22 2400.00 0.0450 0 CHRYSOTILE I 0 0.0036 23.34 0.0036

2' 2400.00 0.0450 0 CHRYSOTILE I 0 003 33.24 U 0036

14 2400.00 0.0450 0 CHRYSOTILE 2 2 X•wu -22 0.0036 SS 97 0.0143

25 2400.00 0.0450 0 CHRYSOTILE S. a() -23 I 0 0.0036 22.24 0.0036

26 2400.00 0.0450 0 CHRYSOTILE I 0 8$90 -?9 0.0036 22.24 0.0036

27 2400.00 0.0450 0 None Detected 0 0 •X90 -25 0.0036 <22.24 <0.0036

ROMAN PEYSAKH V Analyzed by ff. 5/' ' -MICHAEL A GORYCKI. Phi)

pproved by

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume colected by non-laboratory for data reported in structures/mm2. This report may not be personnel. This lab my responsible reproduced, except in full, without written approval by ATC Associates product endorsement by NVLAP or any other agency of the U.S. Inc. This report may not be used to claim Government This reports relates only to the samples reported above. confidence limits and laboratory and analysis' accuracy and precision) is Quality control data (including 95% available upon request. Accredited 'or NVLAP PLM]TEM #101187-0. NY State ELAP 410879

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