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 ftvvc

Attn: Benjamin Sallemi Received: 9/28102 8:00:00 AM ATC Associates Inc. ATC Group #: 8906 104 East 25th Street Analysis Date: 9128,02 New York NY 10010

Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up Project a: 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.Sp-S Sp (S/cc) (S/mm') (S/ccj Notes

03 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8906 -I

1.14 1800.00 0.0450 0 None Detected 0 0 <22.24 0.0048 <0.0048 .906 -?

5 180001) 0.0450 0 None Detected 0 0 0.0048 <.22.24 <0.004S . 906 -3

Ul' 1804.0') 0.0450 0 None Detected U, 0 0.0047 <22.24 <0.0047 •?06 -4

07 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 8906 -S

.NIARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D

Analyzed by~~~ ~~ pprthed by

Disclaimer. The laboratory is not responsible for data reported n structures/cc, which is dependent on volume col cted by non-laboratory personnel. This !ab is rr sponsible for data reported in suucturesrmm=. This report may not be reproduced, exceot in full, without written approval by ATC Assocates Inc. This report may not be used Co 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% confiaence 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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