These levels shall not apply to noise emitted by or related to:
(A) Natural phenomena;
(B) Any bell or chime from any building clock, school or church;
(C) Any siren, whistle or bell lawfully used by emergency vehicles or any other alarm system used in an emergency situation; provided however, that burglar alarms not terminating in 30 minutes after being activated shall be unlawful;
(D) Warning devices required by the Occupational Safety and Health Administration of other state of federal safety regulations;
(E) Farming equipment or farming activity; and
(F) Train horns and signals.
(Ord. passed - -)