All internal combustion engine driven equipment and vehicles shall be kept tuned according to the manufacturer’s specifications and properly maintained to minimize the leakage of oils and fuel. No vehicles or equipment shall be left idling for a period of longer than ten (10) minutes. Fueling and maintenance activities of heavy equipment are prohibited within one-hundred (100) feet of open bodies of water during mining and reclamation. (§ 2, Ord. 1276, eff. December 6, 2001)