For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
(b) The abbreviation ``mpc'' shall mean 1000 pieces of floor tile.
(c) The term ``pieces'' shall mean floor tile measured in the standard size of 12x12x\3/32\.
(d) COD shall mean COD added to the process waste water.