Some think it may be a gas anomaly from old dumpsites. Eckardt C. Beck suggested that there are probably hundreds of similar dumpsites. Ghana is home to the largest collection of e-waste dumpsites in the world. It also contributed to thousands of dumpsites at 108 locations in 29 US states. Illinois has many coal ash dumpsites with coal ash generated by coal-burning electric power plants. Around LANL's 43-square-mile property are 2,000 dumpsites which have permanently contaminated the environment.