Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone:(212)353-82S0 Fax:(212)353-8306

Attn: Fred Burkhardt Received: 9/22/02 7:00:00 AM ATC Associates Inc. ATC Group #: 8876 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 # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) o.5p-5 Sp (S/cc) (S/mm) (S/cc) Notes

04 1800.04) 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8876 -1

0), 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8876 -2

• 06 • 8376 -3 1500.0() 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048

U7 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 83'6 -.j

uS 1800.04) 0.0450 0 None Detected 0 0 00048 < 22.24 <0.0048

09 1800.00 0.0450 0 None Detected 0 0 0.0048 < 22.24 <0.0048 8376 -6

0 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 33'6 -7

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed by: // - pproved by:

isciaimer The laboratory .s not responsible `or data reported in structurestcc, which is dependent on volume cod/edoy •iaooratory personnel. T ao s only responsible for data reported in 3tructureslmm' This report may not oe reproduced. except in full. without written approval by ATC Associates nc. This report may nol 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 Cuality control data (including 95% confidence limits and :aboralory and analysis' accuracy and precision) is available upon request.

Accredited far NVLAP PLMITEM 910118'-0, NY State ELAP x10879

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