As used in this chapter, the following terms shall have the meanings respectively ascribed in this section:
(a) SANITARY SEWAGE. The waste from water closets, urinals, lavatories, sinks, bathtubs, showers, household laundries, cellar floor drains, garage floor drains, bars, soda fountains, cuspidors, refrigerator drips, drinking fountains and stable floor drains.
(b) INDUSTRIAL WASTES. The liquid wastes resulting from any commercial, manufacturing or industrial operations or processes.
(c) NORMAL SEWAGE. Sewage which when analyzed shows by weight a daily average of not more than 2,500 pounds (300 parts per million) of suspended solids, not more than 2,000 pounds (240 parts per million) of B.O.D., and not more than 417 pounds (50 parts per million) ether soluble matter (grease and oil), each per million gallons of daily flow.
(d) SUSPENDED SOLIDS. 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.
(e) B.O.D. (denoting 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. (68°F.) expressed in parts per million by weight.
(Ord. 4083, passed 8-31-1964; Am. Ord. O2007-25, passed 3-20-2007)