Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9.-16/02 8:00:00 Aft ATC Associates Inc. ATC Group #: 8841 . 104 East 25th Street Analysis Date: 9/18/02 New York NY 10010

Fax: (212) 353-3599 Phone: (212) 353-S280

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) .-1nal)Tical Asbestos Area .Volt Asbestos # Structures Sensitivity Concentration Sample Volume .4naly:ed Asb Types) 0.5p-5 5p ('S/cc) (S/mm') (S/cc) Notes

11 2400.00 0.0450 U None Detected 0 0 0.0036 <22.24 <0.0036 8841 -8

12 2400.00 0.0450 0 CHRYSOTILE I I 0.0036 44.48 0.0071 8841 -9

13 2410.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 884/ -iii

1-1 2410.00 0.0450 0 CHRYSOTILE 3 0 0.0036 66.73 0.0107 .4.5'4/ -/1

2420.01) 0.0450 0 None Detected 0 0 0.0035 <22.24 <0.0035 ~4Y4/ _/2

16 2420.1)0 0.0451) 0 None Detectea 0 0 0.0035 , 22.24 ., 0.0035 s,4/ -/3

17 2430.00 0.0450 0 CHRYSOTILE I 0 0.0035 22.24 0.0035 6841 -14

18 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8841 -l5

19 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 884/ -/6

ROMAN PEPS K V MICHAEL .A GORYCKI, Ph D.

lnatvied by pproved by

Disclaimer The laboratory is not responsible for data reported in structures/cc. which is dependent on volume colt a bby non-laboratory personnel. This is only responsible for data reported in structures/mm'. 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 to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMITEM #101187-0. NY State ELAP #10879

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