Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 10=1 East 25 Street, New York, NY 10010 P1;one: (212) 353-8280 Fax: (212) 353-8306 J I Attn: Fred Burkhardt Received: 9/ 16/02 8:00:00 AM ATC Associates Inc. ATC Group #: S840 104 East 25th Street Analysis Date: 9, 1702 New York NY 10010 Fax: (212)353-3599 Phone: (212)353-8280 Project: DEP Cleaan-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 lolume Analysed Asb Type(s) O.Sp-S 5u (S/cc) (S/mm') (S/cc) Notes 03 2450.00 0.0450 0 None Detected 0 0 D.0035 < 71 24. 8-YJ1) -r <0.0035

04 2450.00 0.0450 1) CHRYSOTILE I 2 S'.SJn -- 0.0035 66.73 0.0105

• 05 • J'8JU -3

06 2450.00 0.0450 0 CHRYSOTILE 2 0 0.0035 44.48 0.0070

2450.00 0.0450 0 None Detected 0 I) SRJ0 -J 0.0035 <22.24 <0.0035

07 2450.00 0.0450 0 None Detected 0 1) 0.0035 8840 .5 <22.24 <0.0035

US 2450.00 0.0450 0 CHRYSOTILE 0 0.0035 22.24 8840 -6 0.0035

09 2450.1)0 0.0450 0 CHRYSOTILE 884(1 -, 0 I 0.0035 22.24 0.0035

ROMAN PEY HO~V MICHAEL A. GORYCKI. Ph.D Analyzed by f A proved by

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory 1. This ~s Only claim for data reported in stn)ctures/mm2. This report may not be reproduced, except in full, bye without written approval by ATC Asociates Inc. This report may not be d product endorsement by NVIAP or any other agency of the U.S. Government. This reports to r~ relates only to the samples reported above. Quality control data (including 1 confidence limits and laboratory and analysis' accuracy and precision) is available upon request. 95%

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

Pade / of

NYC-WTC 000129761