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title 21
Food and Drugs
chapter I-i1
CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) (Parts 100 to 169)
part 109
PART 109—UNAVOIDABLE CONTAMINANTS IN FOOD FOR HUMAN CONSUMPTION AND FOOD-PACKAGING MATERIAL
subpart B
Subpart B—Tolerances for Unavoidable Poisonous or Deleterious Substances
Subpart B. Subpart B—Tolerances for Unavoidable Poisonous or Deleterious Substances
§ 109.30 - Tolerances for polychlorinated biphenyls (PCB's).
