§ 53.01 DEFINITIONS.
   For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   B.O.D. (BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C, expressed in milligrams per liter.
   COMMERCIAL PREMISES. Any premise which uses water and/or sewer facilities in the normal conduct of a business. Any premise upon which a business and a residence are structurally joined shall be considered a COMMERCIAL PREMISE. COMMERCIAL PREMISES shall also include churches, clubs, apartment and sleeping houses, duplexes and any type of association.
   D-1 CLASS SEWAGE. The wastes from water closets, lavatories, sinks, bathtubs, showers, home laundries and drinking fountains.
   I-1 CLASS SEWAGE. The wastes from any domestic, commercial or industrial property which is normally less than 300 parts per million of five-day biochemical oxygen demand and/or 300 parts per million of suspended solids.
   I-2 CLASS SEWAGE. The wastes from any domestic, commercial or industrial, property which is normally stronger than 300 parts per million of five-day biochemical oxygen demand and/or 300 parts per million of suspended solids.
   pH. The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   PROPERTY. A lot, parcel of land or real estate, building or premise in the city.
   RESIDENTIAL PREMISE. Any premise upon which only the activities associated with a single-family home or residence are conducted.
   SPECIAL AGREEMENT. Agreement which is a contract between the city and a person, firm, partnership or corporation.
   SYSTEM or SEWAGE SYSTEM. The city system of pipes and appurtenances collecting and transporting sewage within the limits of public property.
(Ord. 31.5, passed 5-2-1988)