§ 60345. Biological Treatment.  


Latest version.
  • All biological treatment unit processes shall be provided with one of the following reliability features:
    (a) Alarm and multiple biological treatment units capable of producing oxidized wastewater with one unit not in operation.
    (b) Alarm, short-term retention or disposal provisions, and standby replacement equipment.
    (c) Alarm and long-term storage or disposal provisions.
    (d) Automatically actuated long-term storage or disposal provisions.