AUGUSTA, Maine — The town of Farmington faces more than $22,000 in fines from the Maine Department of Labor for not ensuring firefighters had the necessary training and equipment when they investigated a reported propane leak that led to a deadly explosion in September. The preliminary findings from the state, which regulates workplace safety for public entities, are the most severe penalties since the explosion caused by a severed gas line that leveled the nonprofit LEAP Inc., killed Farmington fire Capt.