929.01 DEFINITIONS.
   For the purposes of this Chapter Three, the following words and phrases shall have the meanings respectively ascribed to them by this section:
   (a)   “Abnormal industrial waste” means any industrial waste having a suspended solid content or B.O.D. appreciably in excess of that normally found in municipal sewage. For the purposes of this article any industrial waste containing more than three hundred fifty parts per million of suspended solids, or having a B.O.D. in excess of three hundred parts per million, shall be considered an abnormal industrial waste regardless of whether or not it contains other substances in concentrations differing appreciably from those normally found in municipal sewage.
   (b)   “Approving authority” means the Sanitary Board of the City or its duly authorized agent or representative.
   (c)   “B.O.D. of sewage or industrial waste-Biochemical Oxygen Demand” means quantity of oxygen utilized in the biochemical oxidation of the organic matter in the sewage or industrial waste under standard laboratory procedure in five days at twenty degrees centigrade, expressed in parts per million by weight. It shall be determined by one of the acceptable methods described in the current edition of Standard Methods for the Examination of Water and Sewage published by the American Public Health Association.
   (d)    "Cesspool" means a porous underground catch basin for household sewage which receives such sewage with no prior treatment.
   (e)    "Combined sewer" means a sewer designed to receive both sewage and storm water runoff.
   (f)   "Garbage" means putrescible animal and vegetable waste resulting from the handling, preparation, cooking and consumption of food including wastes from markets, storage facilities, handling and the sale of produce and other food products.
   (g)    "Industrial wastes" means any liquid, gaseous or waterborne wastes from industrial processes or commercial establishments, as distinct from sanitary sewage.
   (h)    "Occupied building" means any structure erected and intended for continuous or periodic habitation, occupancy or use by human beings or animals, and from which structure, sanitary sewage and industrial wastes, or either thereof, is or may be discharged.
   (i)    "pH" means the logarithm to the base ten of the reciprocal of the hydrogen ion concentration expressed in moles per liter. It shall be determined by one of the acceptable methods described in the current edition of Standard Methods for the Examination of Water and Sewage published by the American Public Health Association .
   (j)    "Premises accessible to the sanitary sewerage system" means any real estate which adjoins, abuts or is adjacent to the public sanitary sewerage system, or any real estate which might be connected to that system by construction of a private sewer.
   (k)    "Privy" means a small building having a bench with holes through which the user may evacuate and lacking means of automatic discharge.
   (l)    "Properly shredded garbage" means the wastes from the preparation, cooking and dispensing of food that has been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half of an inch in any dimension.
   (m)    "Public sanitary sewerage system" means all separate sanitary sewers, all combined sewers, all sewage pumping stations, all sewage treatment works and all other facilities provided and owned by the City for the collection, transportation and treatment of sanitary sewage and industrial wastes with their appurtenances, and any additions, extensions or improvements thereto that may be made by the City. It shall also include sewers within or outside the City, which serve two or more persons and discharge into the City sanitary sewerage system, even though those sewers may not have been constructed by City funds. It does not include separate storm sewers or culverts which have been constructed for the sole purpose of carrying storm and surface runoff, the discharge from which is not and does not become tributary to the City's sewage treatment facilities.
   (n)    "Sanitary sewage" means the normal water-carried household and toilet wastes from residences, business buildings, institutions, industries and commercial establishments, exclusive of storm water runoff, surface water or ground water.
   (o)    "Sanitary sewer" means a sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.
   (p)    "Septic tank" means a non-porous underground catch basin for sanitary sewerage.
   (q)    "Septic field" means a field for disposal of sewerage from the discharge from a septic tank.
   (r)    "Septic tank system" means a system composed of a septic tank and field.
   (s)    "Sewage" means a combination of water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface or storm water as may be present.
   (t)    "Sewer" means a pipe or conduit for carrying sewage or other waste liquids.
   (u)    "Storm sewer" means a sewer which is intended to carry storm water runoff, surface waters, ground water drainage, etc., but which is not intended to carry any sanitary sewage or polluted industrial waste.
   (v)    "Storm water runoff" means that portion of the rainfall which reaches a drain.
   (w)    "Suspended solids" means solids that either float on the surface or are in suspension in water, sewage, industrial waste or other liquids, and which are removable by laboratory filtration. The quantity of suspended solids shall be determined by one of the acceptable methods described in the current edition of Standard Methods for the Examination of Water and Sewage published by the American Public Health Association.
   (x)    "Unpolluted water or waste" means any water or waste containing none of the following: sewage, free or emulsified grease or oil; acid or alkali; phenols or other substances imparting taste and odor to receiving waters; toxic or poisonous substances in suspension, colloidal state or solution; obnoxious or odorous gases. It shall contain not more than ten thousand parts per million by weight of dissolved solids of which not more than two thousand five hundred parts per million shall be as chloride and not more than ten parts per million each of suspended solids and B.O.D. The color shall not exceed fifty parts per million. Analyses for any of the above mentioned substances shall be made in accordance with the current edition of Standard Methods for the Examination of Water and Sewage published by the American Public Health Association.