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§ 21-2 HAWAII COUNTY CODE "Garbage" means solid wastes from the preparation, cooking and dispensing of food and from the handling, storage and sale of produce. "Garbage, properly shredded" means food wastes that have been properly shredded to such a degree that all particles will be carried freely under normal flow conditions in public sewers. "Grease" means any material which is extractable from an acidified sample of a waste by hexane or other designated solvent and as determined by the appropriate procedure in Standard Methods. (Includes fats and oils.) "Grease traps" means a pretreatment device designed and installed to separate fats, oils, and grease from wastewater. "Industrial wastes" means the liquid wastes from industrial processes. "Infiltration" means water other than wastewater that enters a sewer system (including sewer service connections and foundation drains) from the ground through such means as defective pipes, pipe joints, connections, or manholes. Infiltration does not include, and is distinguished from inflow. "Inflow" means water other than wastewater that enters a sewer system (including sewer service connections) from sources such as, but not limited to, roof leaders, cellar drains, yard drains, area drains, drains from springs and swampy areas, manhole covers, cross connections between storm sewers and sanitary sewers, catch basins, cooling towers, storm waters, surface runoff, street wash waters, or drainage. Inflow does not include, and is distinguished from infiltration. "Lateral" means a side sewer from a public branch or main sewer to the property line to serve one or more lots. "Main" means a sewer to which several laterals or other branch sewer lines are connected. "Natural outlet" means any natural outlet into a watercourse, pond, ditch, lake or other body of surface or ground water. "pH" means the logarithm of the reciprocal of the weight of hydrogen ion in grams per liter of solution. "Public sewer" means a sewer system, including a cesspool and a gang cesspool system, controlled by the County. "Sanitary sewer" means a sewer which carries sewage and to which storm and surface waters and drainage are not intentionally admitted. "Sewage" means a combination of the water -carried wastes from residences, business buildings, institutions and industrial establishments. "Sewage treatment plant" means any arrangement of devices and structures used for treating sewage. "Sewage works," "sewer system," or "sewer," means all public facilities for collecting, pumping, treating and disposing of sewage. "Subdivision" means a division of a piece of property into two or more lots. 21-2