(a) Surroundings are kept neat, clean and free of conditions which might harbor or be conducive to the breeding of insects and rodents. During fly season, manure shall be spread directly on the fields; or stored for not more than four days in a pile on the ground surface, and then spread on the fields; or stored for not more than seven days in an impervious-floored bin, or on an impervious-curbed platform and then spread; or stored in a tight-screened and trapped manure shed; or effectively treated with larvicides; or disposed of in any other manner which controls insect breeding.

(b) Manure packs in loafing areas, stables without stanchions, pen stables, resting barns, wandering sheds and free-stall housing are properly bedded and managed to prevent fly breeding.

(c) Milkrooms are free of insects and rodents.

(d) Milkrooms are effectively screened or otherwise protected against the entrance of vermin.

(e) Outer milkhouse doors are tight and self-closing. Screen doors shall open outward.

(f) Effective measures are taken to prevent the contamination of milk, containers, utensils and equipment by insects and rodents, and by chemicals used to control such vermin. Insecticides and rodenticides not approved for use in the milkhouse shall not be stored in the milkhouse.

(g) Only insecticides and rodenticides approved for use by the commissioner and/or registered with the U.S. Environmental Protection Agency are used for insect and rodent control.

(h) Insecticides and rodenticides are used only in accordance with manufacturer's label directions and are used so as to prevent the comtamination of milk, milk containers, equipment, utensils, feed and water.