Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

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

Attn: Benjamin Sallemi Received: 10/10/02 4:00:00 PM ATC Associates Inc. ATC Group #: 8954 104 East 25th Street Analysis Date: 10/13/02 New York NY 10010

Fax: (212)353-3599 Phone: (212) 353-8230

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 (AHER4) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample 'oluine .analysed Asb Types) O.Sp-5 Sp (S/cc) (S/mm') (S/cc) Notes

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3954 -/

05 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -2

OG 1300.00 0.0451) 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -3

07 1800-00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -4

08 1800.00 0.045() 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -5

09 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -n

Ii) 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8954 -7

OV MICHAEL A. GORYCKI, Ph.D. ROMAN PEYSA

Analyzed by: pproved 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 :he U.S. Government. This reports relates only to the samples reported above. Quality control data (including 95% confidence limits anC laboratory and analysis accuracy ana precision) is available upon request.

Accreaited for NVLAP ?LM/TEM #101187-0, NY State ELAP *10879

tilondur, October l4. 2002 Page 1 of 1

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