As used in this act, unless the context clearly requires otherwise, the following definitions are adopted:
(1) “Milk hauler” means the operator of a transportation tank and may be an employee or the owner of the equipment.
(2) “Farm tank” means a tank used to cool, store or cool and store milk prior to transportation to the processing plant.
(3) “Transportation tank,” “bulk tank” and “feeder tank” mean tanks used to transport milk from a farm to a processing plant.
(4) “Chlorine” means chlorine, or other type of sanitizer approved by the director of the department of agriculture.