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Chain of custody for air samples from 125 Water Street,

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Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.

NYC-WTC_000129725–000130035
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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: 10/9/02 1:00:00 PM ATC Associates Inc. ATC Group #: 8950 104 East 25th Street Analysis Date: 10/13/02 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 Transmivcion Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume .4nalyzed .4sb Type(s) 0.5.0-S 5,u (S/cc) (S/mm) (S/cc) :Votes

A 5S 03 3600.00 0. 1236 71 CHRYSOTILE 0 3 0.0009 24.26 0.0026 Cellulose -3Structures. Gypsum - 68 Structures 8951) -I

A 5S 04 3600.00 0.1236 48 CHRYSOTILE 0 2 0.0009 16. IS 0.0017 Cellulose -1 Structures. Gypsum - 47 .Y950 -2 Structures

950-5 3600.00 0.1236 83 CHRYSOTILE 8 0 0.0009 64.70 0.0069 Cellulose -1 Structures, Gypsum - 81 950 -J Structures, Glass -1 Structures

A 5S 06 3600.00 0.1236 70 CHRYSOTILE 2 2 0.0009 32.35 0.0035 Cellulose -1 Structures. Gypsum - 69 8950 -4 Structures

A 5$ 07 3600.01) 0.1236 12 CHRYSOTILE 2 0 0.0009 16.18 0.0017 Gypsum -12Structures 8950 -i

A5N08 3600.00 0.1236 21 CHRYSOTILE 0 2 0.0009 16.18 0.0017 Gypsum -21 Structures 3950 -6

A 5N 09 3600.00 0.1236 21 CHRYSOTILE 0 I 0.0009 8.09 0.0009 Gypsum -21 Structures 8950 -'

MICHAEL A. GORYCKI. Ph.D. MARK PEYSAKHOV

analyzed by: A proved by:

Disclaimer The !aooratcry is not responsible for data reported in structures!cc. whim is dependent on volume collected by non-laboratory personnel. This lao :s only responsible `or data reported in structures/mm- This reoort may not be reproduced. except in full, without wntten approval by ATC Associates !no. This report may not be used to claim product enoorsement by NVLAP or any other agency of the U.S. Government. This reports reiates only ;o :he samples reported above. Quality control data ;including 95%

• confidence :imits anc laboratory and analysis accuracy and prec,sion) s availaole upon request.

Accreditea for NVLA? PLMITEM 4101187.0, NY State E!4P 0879

Sunday. October 13, 2002 Pave I of 6

NYC-WTC 000130016

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NYC-WTC_000130016Source: NYC Law Department, mirrored locally

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