Dual-phase contamination cleanup is set to begin in Lodi, Calif., the site of one of the longest-running and most contentious lawsuits involving cleanup funding. Though the city hasnít yet collected all of the money necessary to pay for the cleanup – estimated to total $45.7 million – pumps and vacuums have been installed to begin dual-phase extraction to remediate perc wastes simultaneously from contaminated soil and groundwater.