For the purpose of this chapter, the following terms shall have the meanings ascribed unless the context clearly indicates another meaning:
(a) “Normal sewage” means 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 mor than 417 pounds (fifty parts per million) other soluble matter (grease and oil), each per million gallons of daily flow.
(b) “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.
(c) “B.O.D.”, (denoting biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter, under standard laboratory procedure in five days at twenty degrees centigrade (sixty-eight degrees Fahrenheit) expressed in parts per million by weight.
(Ord. 6-1953. Passed 4-27-53.)