; and (2) any rule that the Administrator determines necessary to address an imminent threat to public health or safety, or other emergency. 6. Definitions In this Act: (1) Administrator The term Administrator means the Administrator of the Environmental Protection Agency. (2) Gold King Mine spill The term Gold King Mine spill means the discharge on August 5, 2015, of approximately 3,000,000 gallons of contaminated water from the Gold King Mine north of Silverton, Colorado, into Cement Creek that occurred while contractors of the Environmental Protection Agency were conducting an investigation of the Gold King Mine.