Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATCAssociates 104 East -25 Street, New York, NY 10010 hone: (212) 353-8280 Fax: (212) 353-8306

Attn: Benjamin Sallemi Received: 9/30/02 4:00:00 PM ATC Associates Inc. ATC Group #: 8918 104 East 25th Street Analysis Date: 10/1/02 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 Ash Type(s) O.Sp-S Sp (S/cc) (S/mm') (S/cc) Notes

04 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 8918 -1

05 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 R9/8 _2

None Detected 0 0 0.0048 <22.24 <0.0048 0%8 -J 1800.00 0.0450 0

Q7 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3918 -4

08 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8918 -S

09 . t 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 89/8.-6

I0 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 89/8 -7

MICHAEL A. GORYCKI, Ph.D. ROMAN.PEYSAKHOV

Analyzed by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. 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 This reports relates only to the samples reported above. Quality control data (including 95°,6 confidence limits and laboratory and analyse accuracy and precision) is available upon request

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

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