Sufficient refrigerator space shall be provided to accommodate the volume of business conveniently. Refrigeration shall not be considered satisfactory if the temperature in any part of the refrigerator or display cases exceeds 40 degrees Fahrenheit at any time. All refrigerators, meat boxes, and display cases shall be kept clean, sanitary, and free from objectionable odors. All treads, false floors, or other obstacles to the cleaning of floors and other parts in the refrigerator or cold storage room shall be easily removable. Drains from refrigerators, cold storage rooms, or display cases shall discharge into a sanitary sewer only through an air break and trap.History: Pub. Health Reg. 4, eff 13 Aug 64, § 10.