The floors, walls, and, if necessary, ceilings in the plant shall be cleaned at the end of each day's operations and flushed with water. All equipment, utensils, benches, etc., which come in contact with shucked shellfish shall be thoroughly scoured at the end of each day's operations. The premises shall be kept clean and free of litter and rubbish. Equipment and articles not required in the processing of the shellfish shall be excluded from the plant.
Cal. Code Regs. Tit. 17, § 7759