CFR - Code of Federal Regulations Title 21

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For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 509 UNAVOIDABLE CONTAMINANTS IN ANIMAL FOOD AND FOOD-PACKAGING MATERIAL

Subpart A - General Provisions
   § 509.3 - Definitions and interpretations.
   § 509.4 - Establishment of tolerances, regulatory limits, and action levels.
   § 509.5 - Petitions.
   § 509.6 - Added poisonous or deleterious substances.
   § 509.7 - Unavoidability.
   § 509.15 - Use of polychlorinated biphenyls (PCB's) in establishments manufacturing food-packaging materials.

Subpart B - Tolerances for Unavoidable Poisonous or Deleterious Substances
   § 509.30 - Temporary tolerances for polychlorinated biphenyls (PCB's).

Subpart C - Regulatory Limits for Added Poisonous or Deleterious Substances [Reserved]

Subpart D - Naturally Occurring Poisonous or Deleterious Substances [Reserved]

Authority: 21 U.S.C. 336, 342, 346, 346a, 348, 371.
Source: 42 FR 52821, Sept. 30, 1977, unless otherwise noted.