ON SEPTEMBER 1, 2012, E&S CONTRACTING, INCORPORATED DISCHARGED 630 GALLONS OF NEXT DRILL, SYNTHETIC OIL BASED DRILLING MUD FROM ITS FACILITY IN WEST LIBERTY, OHIO COUNTY, WEST VIRGINIA. THIS DISCHARGE REACHED SHORT CREEK, WHICH IS A TRIBUTARY TO THE OHIO RIVER, A NAVIGABLE WATER. THE DISCHARGE WAS A RESULT OF A TRANSPORTATION INCIDENT.