Unless the context otherwise requires, the meaning
of terms used in this chapter shall be as follows:
AUTHORITY
The Rahway Valley Sewerage Authority, and, when the context
requires, shall mean the supervising engineer or his authorized deputy,
agent or representative.
BOD (denoting biochemical oxygen demand)
The quantity of oxygen utilized in the biochemical oxidation
of organic matter under standard laboratory procedure in five days
of 20º C., expressed in milligrams per liter.
INDUSTRIAL WASTES
The liquid wastes from industrial manufacturing processes,
trade, or business as distinct from sanitary sewerage.
pH
The logarithm of the reciprocal of the weight of hydrogen
ions in grams per liter of solution.
SANITARY SEWER
A sewer which carries sewage and to which stormwaters, surface
waters, and groundwaters are not intentionally admitted.
SEWAGE
A combination of the water-carried wastes from residences,
business buildings, institutions, and industrial establishments, together
with such groundwaters, surface waters and stormwaters as may be present.
SEWAGE WORKS
All facilities for collecting, pumping, treating, and disposing
of sewage.
SEWER
A pipe or conduit for carrying sewage.
SLUG
Discharge of water, sewage, or industrial waste in concentration
of any given constituent or if 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.
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.