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

Received: 10/4102 4:00:00 PM Attn: Benjamin Sallemi ATC Group #: 8935 • ATC Associates Inc. Analysis Date: 10/5/02 104 East 25th Street New York NY 10010 Phone: (212) 353-8280 •Fax: (212) 353-3599 22906-0002 Project: DEP Clean-up ATC Project #: 125 Cedar Street, New York, NY Electron Microscopy (TEM) Performed Asbestos Fiber Analysis by Transmission (AHERA) by EPA 40 CFR Part !63 Final Rule Analytical Asbestos

Non Asbestos Structures Sensitivity (S/cc)lty Area (~mmlntra~~cc) Notes Asb Type(s) O.S,u-S Sp Sample Volume Analyzed

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8935 -! - - -- - -

0 0.0048 <22.24 <0.0048 0.0450 0 None Detected 0 1800.00 S 8935 .2

0 0.0048 <2214 <0.0048 0.0450 D None Detected 0 06 1800.00 8935••-3

0 0.0048 <22.24 <0.0048 07 0.0450 0 None Detected 0 1800.00 8935 -4

4) 0 11.0048 <22.24 <0.0048 08 ' 1800.00 0.0450 0 None Detected 8935 -5

0 0 0.0048 <22.24 < 0.0048 09 1800.00 0.0450 0 None Detected 8933 -6

0 0.0048 <22.24 <0.0048 0.0450 0 None Detected 0 10 1800.00 8935 -7 - ----

MICHAEL A. GORYCKI, Ph.D MARK PEYSAKHOV /~- Approved by Analyzed by:

ratOry onnel his nsibte ndenl on e ted by laboratory is not responsible for data reported in structurescc. IS Associates inc. Thiser port mayTnot bl e used :o claim or d atmer The hout written approval by ATC for data reported in structuresr Th s report~ may not be reproduced. except " full w' above. Duality control data (including 95% any other agency of he U S. Government. This reports relates only to the samoles reported product endorsement by NVLAP or accuracy and precision) is available upon reQuest. confidence limits and laboratory and analysis' ELAP #10879 Accredited for NVLAP PLMITEM 5101187-0. NY State - ---- - Page 1 of 2

NYC-WTC 000129959