A. 
Unless the context specifically indicates otherwise, the meaning of terms used in this Part 1 shall be as follows:
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 20° C. expressed in milligrams per liter.
BUILDING DRAIN
That part of 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.
COMBINED SEWER
A sewer receiving both surface runoff and sewage.
GARBAGE
Solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the handling, storage and sale of produce.
INDUSTRIAL WASTES
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 or ground water.
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 condition normally prevailing in public sewers, with no particle greater than 1/2 inch [1.27 centimeters] 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 storm, surface and ground waters are not intentionally admitted.
SCAVENGERS
Those persons regularly employed in the business of cleaning private sewage disposal systems and in the trucking of sludge.
[Added 5-10-1976 by L.L. No. 6-1976]
SEWAGE
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.
SEWAGE TREATMENT PLANT
Any arrangement of devices and structures used for treating sewage.
SEWAGE WORKS
All facilities for collecting, pumping, treating and disposing of sewage.
SEWER
A pipe or conduit for carrying sewage.
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.
STORM DRAIN or STORM SEWER
A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.
SUPERINTENDENT
The Superintendent of Sewage Works or Public Works and/or of Water Pollution Control of the Village of Warwick 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.
WATERCOURSE
A channel in which a flow of water occurs, either continuously or intermittently.
B. 
Word usage. "Shall" is mandatory; "may" is permissive.