Submitted on: 04 February 2004.
Revised on: 04 May 2004.
Accepted on: 26 June 2004.
___________________JOURNAL OF CONTAMINANT HYDROLOGY
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Submitted on: 23 October 2009.
Revised on: 18 January 2010.
Accepted on: 13 March 2010.
___________________JOURNAL OF CONTAMINANT HYDROLOGY
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Submitted on: 30 April 2013.
Revised on: 05 August 2013.
Accepted on: 22 August 2013.
___________________JOURNAL OF CONTAMINANT HYDROLOGY