Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates y' 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Fred Burkhardt Received: 9/16/02 4:30:00 PM ATC Associates Inc. ATC Group #: 8845 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 Volume Analyzed Asb Type(s) O.5p-5 Sp (S/ec) (S/mrn j) (S/cc) Notes

114 1150.00 0.0450 0 None Detected 0 U 0.0040 <22.24 <0.0040 83J5 -I

1)' 2150.00 0.0450 0 CHRYSOTILE I 0 0.0040 22.24 0.0040 ss4S -7 S

tr 2150.00 0 0450 0 CHRYSOTILE I 0 0.0040 22.24 0.0040 x.i .i

2150 U1) 01)450 0 None Detected 1) 0 o.0040 <22 2-f < 0.0040 Y,iJ i .m

US • 2150.1)0 1).0450 0 None Detected 0 0 0.0041) < 22.24 <0.0040 &545 -5

09 2150.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 Y.Y45 -G

10 2150.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 3X45 -

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D

An;rlvied b ~~,s.~ - ~ approved by

'isclaimer 'ne •aboratory is not responsible for data reported in structurestcc. which is dependent on volume colle ed by non-laboratory personnel. This lab .s only resconsitie !or data reoorted 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 enoorsement 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% conrwence 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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