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Sensors 2005, 5(1), 38-50; doi:10.3390/s5010038

Automated Ground-Water Sampling and Analysis of Hexavalent Chromium using a “Universal” Sampling/Analytical System

Burge Environmental, 6100 Burge Environmental South Maple, Suite 141, Tempe, AZ 85283, USA
Pacific Northwest Laboratory, 3110 Port of Benton Blvd., Richland, WA 99354, USA
Bechtel Nevada, P.O. 98521, MS NTS 188, Las Vegas, NV 89193, USA
Author to whom correspondence should be addressed.
Received: 28 September 2004 / Accepted: 2 December 2004 / Published: 28 February 2005
(This article belongs to the Special Issue Sensors for Environmental Monitoring)
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The capabilities of a “universal platform” for the deployment of analyticalsensors in the field for long-term monitoring of environmental contaminants were expandedin this investigation. The platform was previously used to monitor trichloroethene inmonitoring wells and at groundwater treatment systems (1,2). The platform was interfacedwith chromium (VI) and conductivity analytical systems to monitor shallow wells installedadjacent to the Columbia River at the 100-D Area of the Hanford Site, Washington. Agroundwater plume of hexavalent chromium is discharging into the Columbia River throughthe gravels beds used by spawning salmon. The sampling/analytical platform was deployedfor the purpose of collecting data on subsurface hexavalent chromium concentrations atmore frequent intervals than was possible with the previous sampling and analysis methodsemployed a the Site. View Full-Text
Keywords: field monitoring; hexavalent chromium; colorimetric; automated analysis. field monitoring; hexavalent chromium; colorimetric; automated analysis.

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Burge, S.R.; Hoffman, D.A.; Hartman, M.J.; Venedam, R.J. Automated Ground-Water Sampling and Analysis of Hexavalent Chromium using a “Universal” Sampling/Analytical System. Sensors 2005, 5, 38-50.

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