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

Attn: Benjamin Sallemi Received: 10/11/02 4:00:00 PSI ATC Associates Inc. ATC Group #: 8965 104 East 25th Street Analysis Date: 10/14/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up ATC 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.Sp-S 5p (S/cc) (S/mm') (S/cc) ,Notes

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 896? -1

05 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8963 -?

6 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8965 -3

07 1800.00 0.0450 0 None Detected <22.24 0 0 0.0048 <0.0048 8963 -4

08 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8965 -3

09 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 8965 -6

10 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 3965 -.'

ROMAN PEYSA V MICHAEL A. GORYCKI. Ph.D.

Analyzed by `Q proved by-

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported 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 endorsement by NVLAP or any other agency of the U.S. Government Tnis reports relates only to the samples reported above. Quality control data (including 95%

• confidence limits and laboratory and analysis' accuracy and orec:sionl is available anon request.

Accredited for NVLAP PLMITEM #101187-0, NY State ELAP #10879

Monday, October 14. 2002 Pate I of l

NYC-WTC 000129991