For the purpose of this chapter and regulations made pursuant thereto the following terms are defined as follows:
   (a)   "B.O.D. or Biochemical Oxygen Demand" means the quantity of oxygen utilized in the biochemical oxidation or organic matter under standard laboratory procedure in five days at 200C., expressed in parts per million by weight.
   (b)   "City" means the City of Girard, Ohio.
   (c)   "Commercial and Public Authority Customers" who discharge primarily wastes from sanitary conveniences.  This class includes all customers who generally provide a service or a product for public use.  It does not include manufacturing establishments which require process water and discharge manufacturing wastes to the sewer system.
   (d)   "Debt Retirement Charge" means the charge to sewer users for the debt service.
   (e)   "Debt Service" means the payment requirements to retire the sewerage works from debt through cash generated during the period of time that the debt is outstanding.
   (f)   "Industrial User" means any non-governmental discharger to the public sewer identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented, under Divisions A, B, D, E and I.
   (g)   "Industrial wastes" are hereby defined as being the liquid wastes resulting from commercial, manufacturing or industrial operations or process.
   (h)   "Operation and maintenance costs" means all expense of collection, pumping, testing and disposing of wastewater including the replacement of equipment.
   (i)   "Persons" means any individual, firm, company, association, society, corporation or group.
   (j)   "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   (k)   "Replacement costs" means expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.  Unless specifically excluded, the term operation and maintenance includes replacement.
   (l)   "Residential User" discharges only sanitary waste from primarily habitable dwellings.  This includes single, multiple family and all other connections that are residential in nature except such commercial establishments as hotels, motels or mobile home parks primarily used for intransit parking.
   (m)   "Sanitary sewage" means the waste from water closets, urinals, lavatories, sinks, bathtubs, showers, household laundries, cellar floor drains, garage floor drains, bars, soda fountains, refrigerator drips, drinking fountains and storerooms.
   (n)   "Sanitary sewer" means a sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.
   (o)   "Service area" means the entire area served by the sewerage system within and without its corporate limits.
   (p)   "Service Director" means the Director of Public Services of the City, and any board of officers which hereafter by operation of law succeeds to the power and duties of the Service Director.
   (q)   "Sewer service charge" means the sum of the user charge plus the Debt Retirement Charge.
   (r)   "Sewage Treatment Works" means any arrangement of devices and structures used for treating sewage.
   (s)   "Shall" is mandatory; May is permissive.
   (t)   "S.S. or Suspended solids" means solids that either float on the surface of, or are in suspension in water, sewage or other liquids; and which are removable by laboratory filtering.
   (u)   "User charge" means the charge to each recipient of waste treatment services within the District's service area representing a proportionate share of the costs of operation and maintenance including replacement of all waste treatment services provided.
   (v)   "User class" means the division of users within the District's service area, by the origin of the wastewater discharged and by the similarity of the function of such users.
      (Ord. 6016.  Passed 7-25-88.)