For the purposes of this chapter, the following words
and phrases shall have the meanings respectively ascribed to them by this
section:
BOD (denoting "biochemical oxygen demand")
The quantity of oxygen utilized in the biochemical oxidation of organic
matter under standard laboratory procedure in five days at 20º C., expressed
in milligrams per liter.
BUILDING DRAIN
That part of the lowest horizontal piping of a drainage system which
receives the discharge from soil, waste and other drainage pipes inside the
walls of the building and conveys it to the building sewer, beginning five
feet (1.5 meters) outside the inner face of the building wall.
BUILDING SEWER
The extension from the building drain to the public sewer or other
place of disposal, also called "house connection."
CHLORINE REQUIREMENT
The amount of chlorine, in milligrams per liter, which must be added
to sewage to produce a specified residual chlorine content or to meet the
requirements of some other objective, in accordance with procedures set forth
in this section under the definition of "standard methods."
GARBAGE
Solid wastes from the domestic and commercial preparation, cooling
and dispensing of food and from the handling, storage and sale of produce.
INDUSTRIAL WASTES
The liquid wastes from industrial manufacturing processes, trade
or business, as distinct from sanitary sewage.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake or other body of
surface water or groundwater.
PERSON
Any individual, firm, company, association, society, corporation
or group.
pH
The logarithm of the reciprocal of the weight of hydrogen ions in
grams per liter of solution.
PROPERLY SHREDDED GARBAGE
The wastes from the preparation, cooking and dispensing of food that
have been shredded to such a degree that all particles will be carried freely
under the flow conditions normally prevailing in public sewers, with no particle
greater than 1/2 inch in any dimension.
PUBLIC SEWER
A sewer in which all owners of abutting properties have equal rights
and which is controlled by public authority.
SANITARY SEWER
A sewer which carries sewage and to which stormwater, surface water
and groundwater are not intentionally admitted.
SEWAGE
A combination of the water-carried wastes from residences, business
buildings, institutions and industrial establishments, together with such
ground water, surface water and stormwater as may be present.
SEWAGE WORKS
All facilities for collecting, pumping, treating and disposing of
sewage.
SEWER
A pipe or conduit for carrying sewage.
SEWER AUTHORITY; AUTHORITY
The Board of Aldermen of the city sitting as a sewer authority or
any successor sewer authority or sewer commission or its authorized agent
or representative.
SLUG
Any discharge of water, sewage or industrial waste which in concentration
of any given constituent or in quantity of flow exceeds for any period of
duration longer than 15 minutes more than five times the average twenty-four-hour
concentration or flows during normal operation.
STANDARD METHODS
The examination and analytical procedures set forth in the most recent
edition of Standard Methods for the Examination of Water, Sewage and Industrial
Wastes, published jointly by the American Health Association, the American
Water Works Association and the Water Pollution Control Federation.
STORM DRAIN or STORM SEWER
A sewer which carries stormwater and surface water and drainage but
excludes sewage and industrial wastes, other than unpolluted cooling water.
SUPERINTENDENT
The Commissioner of Public Works of the city or his authorized deputy,
agent or representative.
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.
UNPOLLUTED WATER
Water of quality equal to or better than the effluent criteria in
effect or water that would not cause violation of receiving water quality
standards and would not be benefited by discharge to the sanitary sewers and
wastewater treatment facilities provided.
WATERCOURSE
A channel in which a flow of water occurs, either continuously or
intermittently.