Lessees, licensees and permittees shall fully comply with all applicable environmental laws and the Aviation Department stormwater enforcement and civil penalty policy and best management practices and shall not cause or permit any regulated substance to be used, generated, manufactured, produced, stored, brought upon or released on or under airport property or transported to or from airport property by employees or contractors in a manner that would violate any environmental law. (Ord. No. G-4116, § 2, 1998)