For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term product shall mean sodium chlorate.
(c) The term chromium shall mean the total chromium present in the process wastewater stream exiting the wastewater treatment system.
(d) The term chlorine shall mean the total residual chlorine present in the process wastewater stream exiting the wastewater treatment system.
(e) The term antimony shall mean the total antimony present in the process wastewater stream exiting the wastewater treatment system.