Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Atth: Benjamin Sallemi Received: 9/30/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8914 • 104 East 25th Street Analysis Date: 9/30/02 New York NY 10010

Fax: t212 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 iVon Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5µ-5 Sµ (S/cc) (S/mm') (S/cc) Notes

II 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 89/a -8

12 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 391 -9

13 180000 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 ,N9!4 -It)

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ivIICHAEL A. GORYCKI. Ph.D. ROMAN PEYSAKHOV Analyzed by: Q/ t, . Approved by: I Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This Ia only responsibre for data reported in struaures/mm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used !o claim

• product eraorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality control data jinduaing 95% connaence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accrecited'cr NVLAP PLM/TEM 4101187-0. NY State ELAP $10879

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NYC-WTC 000129943