For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BIOLOGICAL 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 parts per million by weight.
BUILDING SEWER or HOUSE SEWER. The part of a house or building drainage system extending from the house or building drain to its connection with the main sewer.
GARBAGE. Solid wastes from the preparation of cooking and dispensing of food and produce.
pH. The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
PROPERLY SHREDDED. Include shredding to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers with no particle larger than one-half inch in diameter.
SANITARY SEWER. Include a sewer which carries sewage and to which storm, surface, and ground waters are not intentionally admitted.
SEWAGE. Include a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments together with such ground, surface, and storm waters as may be present.
SEWER SYSTEM. Include all facilities for collecting, pumping, treating, and disposing of sewage.
STORM SEWER. Include a sewer which carries storm and surface drainage, but excludes sewage and polluted industrial wastes.
SUSPENDED SOLIDS. Include solids that either float on the surface of, or are in immersion in water, sewage, or other liquids, and are removable by filtering.
TRAP. Include a fitting or device so constructed as to prevent the passage of air or gas through a pipe without materially affecting the flow of sewage or waste through it.
(Prior Code, § 3-202)