2008/05/07 Council Agenda Packet

si. consumption foodstuffs in or on a receptacle that requires washing more than two (2) days per week and that discharges to the POTW. V. Grab Sample. A sample which is taken from a wastestream on a one-time basis without regard to the flow in the wastestream and without consideration of time. W. Grease/Greases. See FOG. X. Grease Impact Area. Any area of the POTW collection system where grease deposits originating at FSEs and/or NFDs create maintenance requirements exceeding normal sewer maintenance. These areas will be identified by the Director and updated as needed. Y. Grease Interceptor/Interceptor/Interceptor-style GRS. Any relatively large in ground or above-ground tank, generally, but not always, of precast concrete, with internal plumbing and baffling intended to act as a GRS or AGRS to serve one or more fixtures and which shall be remotely located. Z. Grease Removal System (GRS). Any device designed for, and intended for, separating, collecting, and removing waterborne FOG and settleable solids prior to discharging to the POTW. This includes any AGRS. AA. Grease Trap/Trap/Trap-style GRS. Any relatively small appurtenance, generally, but not always, of cast iron or fabricated steel, with internal configuration and internal or external flow control, intended to function as a GRS or AGRS. All trap-style grease removal systems shall be PDI or IAPMO approved. AB. High Strength Waste. Any waters or wastewater having a concentration of BOD or Total Suspended Solids in excess of 250 mg/L, or having a concentration of Fats, Oil and Grease in excess of 50 mg/L. AC. Interference. A discharge which alone or in conjunction with a discharge or discharges from other sources, either: (1) inhibits or disrupts the POTW, its treatment processes or operations; (2) inhibits or disrupts its biosolids.(sludge) processes, use or disposal; or (3) is a cause of a violation of the City's NPDES permit or of the prevention of sewage sludge use or disposal in compliance with any of the following statutory/regulatory provisions or permits issued thereunder: Section 405 of the Clean Water Act; the Solid Waste Disposal Act (SWDA), including Title II commonly referred to as the Resource Conservation and Recovery Act (RCRA); any State regulations contained in any State sludge management plan prepared pursuant to Subtitle D of the SWDA; the Clean Air Act; the Toxic Substances Control Act; and the Marine Protection, Research, and Sanctuaries Act. AD. Liquid Waste. Liquid waste is the discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive fecal matter. 6