§ 451.2 General definitions.

As used in this part:

(a) The general definitions and abbreviations in 40 CFR part 401 apply.

(b) Approved dosage means the dose of a drug that has been found to be safe and effective under the conditions of a new animal drug application.

(c) Aquatic animal containment system means a culture or rearing unit such as a raceway, pond, tank, net or other structure used to contain, hold or produce aquatic animals. The containment system includes structures designed to hold sediments and other materials that are part of a wastewater treatment system.

(d) Concentrated aquatic animal production facility is defined at 40 CFR 122.24 and appendix C of 40 CFR part 122.

(e) Drug means any substance defined as a drug in section 201(g)(1) of the Federal Food, Drug and Cosmetic Act (21 U.S.C. 321).