CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 161—FISH AND SHELLFISH > SUBPART B—Requirements for Specific Standardized Fish and Shellfish (§161.130 to §161.190) > 161.136—Olympia oysters.