[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR170.45] [Page 20] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 170_FOOD ADDITIVES--Table of Contents Subpart C_Specific Administrative Rulings and Decisions Sec. 170.45 Fluorine-containing compounds. The Commissioner of Food and Drugs has concluded that it is in the interest of the public health to limit the addition of fluorine compounds to foods (a) to that resulting from the fluoridation of public water supplies, (b) to that resulting from the fluoridation of bottled water within the limitation established in Sec. 165.110(d) of this chapter, and (c) to that authorized by regulations (40 CFR part 180) under section 408 of the Act. [42 FR 14483, Mar. 15, 1977, as amended at 72 FR 10357, Mar. 8, 2007]