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 V Phone:(212)353-8280 Fax:(212) 353-5306

Attn: Benjamin Sallemi Received: 9i30i02 8:00:00 AM ATC Associates Inc. ATC Group #: 8916 104 East 25th Street Analysis Date: 9/30/02 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 Asb Type(s) O.5p-S Su (S/cc) (S/mm') (S/cc) Nores

1500.00 0.0450 0 NoneDetected 0 0 0.004S < 22.24 <00048 84/6 -1

r 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 S9/6 -.

1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 89/6 -3

4 1800.00 0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 8916 -4

3 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 59/6 -S

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: 1 ' J Approved by:

r ~ c• _ Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume Ilected by non•Iaooratory personnel. This lab is only responsible for data reported in structures/mm2. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to ciaum 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 limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMITEM #101187.0. NY State ELAP x10879

Pae l of I

NYC-WTC 000129936