[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR157.31] [Page 470] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 157--RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK--Table of Contents Subpart C--Vessel Operation Sec. 157.31 Discharges: Chemical additives. No person may use a chemical additive to circumvent the discharge requirements in Sec.Sec. 157.27, 157.29, 157.37, 157.39, and 157.43.