Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I ATC Associates 104 East 25 Street. New York, NY 10010 V~ Y Phone: (212) 353-8280 Fax: (212) 353-8306

I Attn: Mr. Robert Lewin Received: 13/02 8:00:00 AM ATC Associates Inc.

I 104 East 25th Street New York NY 10010 ATC Group #: 6255

Analysis Date: 1/3/02

I Fax: Project: (212) 353-3599 Tribeca Towers Phone: (212) 353-8230

105 Duane Street, New York, NY

I Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA.) I Area Non Asbestos Structures Analytical Sensitivity Asbestos Concentration Analyzed .-Isb Type(s) O.5u_5 Su (S/cc)

I Sample volume (S/mm') (S/cc) Notes

1 1 5-17.00 0.0562 0 None Detected 0 0 0.0044 <17.79 <0.0044 6255-I

1360.01) 0.0674 0 None Detected 0 1) 0.0042 < 14.83 <0.0042 6255 _,

I 1 I I

L

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

I Analyzed by: ~ pproved 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 lao is only responsible for data reported in structuresimm This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim oroouct endorsement by NVL4P or any other agency of the U.S. Government. This reports relates only to the samples reoortec aoove. Quality control data (including 95%

JJ confidence limits and laooratory and analysis accuracy and precision) is available upon request.

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

I NYC-WTC 000104493