There shall be available sufficient watertight, nonabsorbent and insect- and rodent-proof containers equipped with tight covers to store blood, offal and nonedible portions of the slaughtered poultry and animals. The containers shall be stored high enough above the ground or floor to permit cleaning under such containers, and their contents shall be transported to a rendering plant or buried daily. The containers shall be washed and rinsed after emptying. (Mont. Co. Code 1965, § 101-15.)