Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

.Attn: Fred Burkhardt • Received: 9123/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8879 104 East 25th Street Analysis Date: 9/24/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 'Project: DEP Clean-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 # Structure. Sensitivity Concentration Sample Volurne Analyzed Asb Type(s) 0.Spr-5 3u (S/cci (S/mm'/ (S/ccj Notes

11 1 S00.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 88'9 -3

12 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 88'9 -9

1' . 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 ,M79 -/0

14 1800.00 0.0450 0 None Detected 0 0 0.004S <22.24 <0.0048 8.479 -II 4 1.5 1800.00 0.0450 0 CHRYSOTILE I 0 0.0048 22.24 0.004S •88'79 -12

ROMAN PEY' KHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed bvjflhlJ C, Approved by:

Discaime' he !aboratory is not responsible for data reported in structures/cc, which is dependent on volume c ected by non-laooratory personnel. This lab is only responsiole for data reported in stnrauresimm'. This report may not be reproduced. except in full, without'nntten approval by ATC Associates Inc. This report may not oe used 'o ciaim 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 iincuaing 95 3b 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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