Shellfish shall be shucked and packed in such a manner that they are not subject to contamination. Shellstock shall be free of mud when they are shucked. Only live shellfish shall be shucked. Shucked shellfish shall not remain on the shucking table for more than one hour unless refrigerated at .50 degrees Fahrenheit or less.
Cal. Code Regs. Tit. 17, § 7742