Press release: “The U.S. Environmental Protection Agency and Shell Oil Company have removed more than 23,000 pounds of hazardous toxins from the Del Amo Superfund Site Waste Pits near Torrance, Calif. With EPA oversight, responsible parties Shell Oil Company and the U.S. General Services Administration built a soil vapor extraction system at the Del Amo Waste Pits and have been successfully operating it for one year. The system stops further contamination of area groundwater, a potential drinking water resource.”