Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC' Associates y 10-1 East 25 Street, New York-, NY 10010 ~' Phone: (212) 353-8230 Fax: (212) 353-8306

Attn: Benjamin Sallenu Received: 10, I 02 4:00:00 ('.•1 T ' • ATC Associates Inc. .A TC Group n: 8922 104 East 25th Street Analysis Date: 10/2:02 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(s1 6. Sp-5 S,a (S/cc) (S/mm') (S/cc) Notes

04 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 - 00048 59?' -1

05 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8972 -2

6 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 922 -3

. f~7 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3922 -4

OA • 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 ,592' .S

0`I 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 .S922 -6

.10 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 < 0.0048 8J'2 -

MICHAEL A. GORYCKI. Ph. D. .VIARK PEYSAKHOV

Analyzed by: ~- Approved by-

Disclaimer. The laboratory is not responsible for data reported in structures/cc. which is dependent on volume collected by non-laboratory personnel. Thi is only responsible for data reported in structures/mm'. -his 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 :o the samples reported above. Quality control data (including 95%

• confidence limits and laboratory and analysrs' accuracy and precision) is available upon request.

Accredited for NVLAP PLMITEM x101187-0. NY State ELAP 410879

Pat.e l of 2

NYC-WTC 000129981