Dilution.

A. Except where expressly authorized to do so by an applicable pretreatment standard or requirement, no user shall ever increase the use of water or in any other way attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with a pretreatment standard or requirement.B. The Chief Plant Operator and/or Superintendent of Sewers may impose mass limitations on users who are using dilution to meet applicable pretreatment standards or requirements, or in other cases when the imposition of mass limitations is appropriate.