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5) Users that recycle fats, oils, and grease must utilize a recycling or rendering <br /> service approved by the Director. Users disposing of grease in any other <br /> manner must do so in a way that complies with all applicable State, City, <br /> and Health Department regulations. <br /> Servicing and maintenance of grease traps and grease interceptors where <br /> grease is removed and disposed of must likewise be performed by <br /> recyclers, renderers, or haulers authorized by the Director. Grease which is <br /> removed shall not be discharged into any part of the POTW, any private <br /> sewer, any drainage piping, or storm sewer system. <br /> 6) Other factors may influence the type of pretreatment required. Those <br /> factors include but are not limited to: <br /> If a user is located in a grease problem area; <br /> If there have been past problems (blockages, NOVs, etc.) with a user; <br /> The type of food the users prepares; <br /> Volume of water discharged by a user; <br /> Number of meals a user serves per day; <br /> Adequacy of existing pretreatment equipment; <br /> Use of approved alternate grease removal systems; <br /> Proper implementation of Best Management Practices (BMPs). <br /> 7) Businesses installing additional or alternative pretreatment systems, such as <br /> biological (enzyme) treatment systems must have said treatment systems <br /> approved by the Director prior to installation or use. <br /> The Director is authorized to adopt and publish additional criteria for grease interceptors. <br /> C. Other Interceptors: Dischargers who operate automatic and coin-operated <br /> laundries, car washes, filling stations, commercial garages or similar businesses <br /> having any type of washing facilities (including pressure washing and steam <br /> cleaning) or any other dischargers producing grit, sand, oils, lint, or other materials <br /> which have the potential of causing partial or complete obstruction of the building <br /> side sewer or other areas in the POTW shall, upon order of the Director, install <br /> approved interceptors, oil/water separators, or tanks in accordance with <br /> specifications adopted by the City of Everett such that excessive amounts of oil, <br /> sand and inert solids are effectively prevented from entering the POTW. <br /> Installation and Maintenance. All grease interceptors, oil/water separators, settling <br /> tanks and grit traps shall be properly installed, maintained and operated by the <br /> discharger at his own expense. The installation shall be kept in continuous <br /> operation at all times, and shall be maintained to provide efficient operation. <br /> 17 <br />