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) 353-5280 Fax:(212)353-5306

Attn: Benjamin Sallemi Received: 10/16/02 10:20:00 PM ATC Associates Inc. ATC Group #: 8996 104 East 25th Street Analysis Date: 10/17/02 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.5u-5 5,u (S/cc) (S/mm') (S/cc) Notes

03 3700.00 0.1236 I None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -1 Structures 8996 -/

04 3690.00 0.1236 15 None Detected 0 0 0.0008 <8.09 <0.0008 Gypsum -15 Structures 8996 -2

3680.00 0.1236 1 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -1 Structures 8996 -3

06 3650.00 0.1236 0 None Detected 0 0 0.0009 <8.09 <0.0009 8996 -4

07 3650.00 0.1236 3 None Detected 0 0 0.0009 <8.09 <0.0009 Cellulose -2 Structures. Gypsum .1 Structures 8996 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed by proved by:

Disclaimer The laboratory is not responsible for data reported in structuresicc, which is dependent on volume collected by non•laboratory personnel- This I us omy responsible for data reported in structures/mm'. This report may not be reproduced, except in full, without wntten aporoval by ATC Associates Inc. This report may not oe used to 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% conficence iimds and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMITEM x101187.0. NY State ELLP x10879

Tlrursday. October 17 2002 Page I of!

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