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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 2-5 Street. New York. NY 10010 Phone:(212)353-8280 Fax:(212) 353-S306

Attn: Benjamin Sallemi Received:10/9/02 8:00:00 AEI ATC Associates Inc. ATC Group #: S946 104 East 25th Street Analysis Date: 10/11/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280

Project: DEP Clean-up ATC Project R: 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 Types. 0sp-5 5p (S/cc) (S/mm') (S/cc) Notes

A-9N-01 3570.00 0.1236 36 CHRYSOTILE I 2 0.0008 24.26 0.0024 Cellulose - 20 Slructures.Gypsum -16 8946 -/ Structures

A-9N-02 3S60.00 0.1236 16 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -4 Structures. Gypsum. 12 8946 .2 Structures _ _- - •---------- _.. _ . -. __ ..--- 2_222 . _

-9N-03 3850.00 0.1236 34 None Detected 0 0 0.0008 < S.09 <0.0008 Cellulose -2 Structures. Gypsum - 29 946 -3 Structures

A-9N-04 3840.00 0.1236 19 None Detected 0 0 0.0008 < 8.09 <0.0008 Cellulose -3 Structures, Gypsum -16 8946 -4 Structures

A -9N-05 3330.00 0.1236 10 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -2 Structures.Gypsum - 8 Structures .1946 -5

A-9S-06 3910.00 0.1236 II CHRYSOTILE I 0 0.0008 8.09 0.0008 Cellulose -2 Structures; Gypsum -9 Structures 8946 -6

A-95-07 3900.00 0.1236 22 None Detected 0 0 0.0008 <S.09 <0.0008 Cellulose -1 Structure. Gypsum -21 Structures .1946

MICHAEL A. GORYCKI. Ph.D. MARK PEYSAKHOV Analyzed by: % PProved by:

Cisc:aimer The laboratory is iot responsible for data reported in structures/cc, which .s dependent on volume collected by non-laboratory personnel. This to . oniy responsrb!e for data reported in strucWresimm-. This 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 samoies reported aoove. Quality control data including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLM/TEM x101187-0. NY State ELAP 40879

Fridat•. Ocruber I /. 2002 Pw.c 1 of h

NYC-WTC 000130004

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NYC-WTC_000130004Source: NYC Law Department, mirrored locally

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