U.S. Code / Title 21 — Food and Drugs / Chapter 9—Federal Food, Drug, and Cosmetic… / Subchapter V—Drugs and DevicesTitle 21PartPart G—Medical GasesContents§ 360ddd. Definitions§ 360ddd–1. Regulation of medical gases§ 360ddd–2. Inapplicability of drug fees to designated medical gases