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) 353-8280 Fax: (212) 353-8306

Attn: Benjamin Sallemi Received: 9/27/02 11:00:00 PM ATC Associates Inc. ATC Group #: 8912 104 East 25th Street Analysis Date: 9/29:02 New York NY 10010

Fax: (212) 353-3599 Phone: (2 12) 353-8280

Project. DEP Clean-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 Ash Type(s) 0.Sµ-5 Sµ (S/cc) (S/mm) (S/cc) Notes

1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8912 -1

4 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 391' -'

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 c00048

r' 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <00048 S91' -4

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8912-i

ROMAN PEYSAKHOV MICHAEL A. GORYCKI. Ph. D.

analyzed by proved by

Orscleimer 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 structuresrmm'. This report may not be reproduced. except in full, Mthout written approval by ATC Associates Inc. This report may not be used to claim 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%

0 confidence limits and laboratory and analysis' accuracy and precision) is available upon request. product Accredited for NVLAP PLMITEM #101187-0. NY State ELAP #10879

Pa;e I of!

NYC-WTC 000129920