Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: I red Burkhardt Received: 8, 17`02 8:00:00 A vI Ai C Associates Inc. ATC Group #: 8846 !04 East 25th Street Analysis Date: 9 I9-02 Nc York NY 10010

Fax: ,2l2 353-3599 Phone: (212) 353-8280

Project: DEP Cleaan-up 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-5 Sp (S/cc) (S/mm') (S/cc) Notes

II 2410.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SSJ6 -•S

12 2401).00 00450 0 NoneDeteced 0 0 0.0036 <22.24 <0.0036 J'-1j6 -y

241)1) UU 0.04;1) U None ()elected 0 4) 1).0036 -: 22.2:1 'I) 0036 .1.\46 40

•

MICHAEL A. GORYCKI, Ph D. ROMAN PEYSAKHOV Analyzed by: proved by:

Cisclaimer The !aboratory 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. This reports relates only to the samples reported above. Quality control data (including 95% confidence'imlts and laboratory and analysis' accuracy and precision) is available upon request.

Accredirea for NVLAP PLN11TEb1 x101187.0. NY State ELAP 410879

Put' 2 vi/

NYC-WTC 000129881