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 S Phone: (212) 353-82S0 Fax: (212) 353-8306

Attn: Fred Burkhardt Received: 9/16/02 8:00:00 A?vl ATC Associates Inc. ATC Group #: 8841 104 East 25th Street Analysis Date: 9i1S/02 New York vY 10010

Fax: (212)353-3599 Phone: (212)353-8280 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) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) o.5p-5 SN (S/cc) (S/mm') (S/cc) Notes

. 04 2430.00 Not Analyzed Overloaded with particulates 8841 -1

.05 2420.00 0.0450 0 None Detected 0 0 0.0035 <22.24 <0.0035 8841 -1

6 241000 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8841 -1

07 2420.00 0.0450 0 None Detected 0 0 0.0035 <22.24 <0.0035 8841 -4

08 2420.00 0.0450 0 None Detected 0 0 0.0035 <22.24 <0.0035 8841 -S

09 2400.00 Not Analyzed Overloaded with particulates 8.841 -6

10• 2400.00 0.0430 0 CHRYSOTILE 2 0 0.0036 44.48 0.0071 8841 -'

RO`LA~i PEYS.~K1-(Ov MICHAEL A. GORYCKI, Ph.D

analyzed by pproved by

Disclaimer 'he laboratory is not responsible for data reported in structuresrcc, which is deoendent on volume collected by non-laboratory personnel. ThisFis respcns;ble or rata reooned in swauresimm This report may not be reproduces, except in full, without written approval by AC Associates Inc. This report may not be used to claim orcduc: 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 ?5% ccnricence ,imds ano laboratory and analysis' accuracy and precision) is available upon request.

Accrecited for NVLAP P:MJTEht 4101187-0, NY State ELAP 310879

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NYC-WTC 000129727