Subpart A. 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.