[Code of Federal Regulations] [Title 40, Volume 26] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR413.11] [Page 208] 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.