[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR413.11] [Page 209] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 413_ELECTROPLATING POINT SOURCE CATEGORY--Table of Contents Subpart A_Electroplating of Common Metals Subcategory Sec. 413.11 Specialized definitions. For the purpose of this subpart: (a) The term sq m [``sq ft''] shall mean the area plated expressed in square meters [square feet]. (b) The term operation shall mean any step in the electroplating process in which a metal is electrodeposited on a basis material and which is followed by a rinse; this includes the related operations of alkaline cleaning, acid pickle, stripping, and coloring when each operation is followed by a rinse.