(a) Pesticides must be used in such a manner and under such wind and other conditions as to prevent contamination of people, pets, fish, wildlife, crops, property, structures, lands, pasturage or waters adjacent to the area of use.

(b) Pesticides are to be used only in accordance with label and labeling directions or as modified or expanded and approved by the department.

(c) All equipment containing pesticides and drawing water from any water source shall have an effective anti-siphon device to prevent backflow.

(d) During pesticide use, the certified applicator, certified technician or commercial pesticide apprentice must have in their custody a copy of the label for each pesticide being used. The certified applicator, certified technician or commercial pesticide apprentice must make each label available for inspection upon request of the department.