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