. . . "The firm illegally discharged waste oil, paint thinner and other toxic and hazardous substances by injecting them down the outer rim, or annuli, of the oil wells.2005: Texas City Refinery explosionIn March 2005, BP's Texas City, Texas refinery, one of its largest refineries, exploded causing 15 deaths, injuring 180 people and forcing thousands of nearby residents to remain sheltered in their homes" .