A. 
Unless the context of usage indicates otherwise, the meaning of specific terms in this Part 2 shall be as follows:
ACT
The Federal Clean Water Act, as amended.
ASTM
The American Society for Testing and Materials.
BOD (DENOTING "BIOCHEMICAL OXYGEN DEMAND")
The quantity of oxygen used in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20° C., expressed in milligrams per liter.
BUILDING SEWER
The extension from a building wastewater plumbing facility to the public wastewater facility.
COMBINED SEWER
A sewer intended to receive both wastewater and storm or surface water.
COMMERCIAL USER (CLASS II)
Includes any property occupied by a nonresidential establishment not within the definition of an "industrial user (Class III)" and which is connected to the wastewater facilities.
DAY
The twenty-four-hour period beginning at 12:01 a.m.
DER
The Pennsylvania Department of Environmental Resources.
EASEMENT
An acquired legal right for the specific use of land owned by others.
EPA
The United States Environmental Protection Agency.
GARBAGE
The solid animal and vegetable wastes resulting from the domestic or commercial handling, storage, dispensing, preparation, cooking and serving of foods.
GROUNDWATER
Water within the earth.
INDUSTRIAL USER (CLASS III)
Any nonresidential user identified in Division A, B, D, E or I of the Standard Industrial Classification Manual. "Class III" shall also include any user which discharges wastewater containing toxic or poisonous substances, or any substance which causes interference in the wastewater facilities.
INTERFERENCE
Inhibition or disruption of any sewer system, wastewater treatment process or sludge disposal system, or their operation, which substantially contributes to a violation of applicable discharge permits.
MANAGEMENT
The Manager of the Patterson Township Municipal Authority's wastewater system or an authorized designee.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake or any other body of surface or ground water.
NPDES
The national pollutant discharge elimination system permit program, whether administered by the EPA or by DER.
OWNER
The person or persons who legally own, lease or occupy private property with wastewater facilities which discharge or will discharge to the Patterson Township Municipal Authority's wastewater facilities.
PERSON
Any individual, firm, company, association, society, partnership, corporation, municipality or other similar organization, agency or group.
PH
The logarithm of the reciprocal of the hydrogen ion concentration expressed in grams per liter of solution as determined by Standard Methods.
PRETREATMENT
The reduction of the amount of pollutants, the elimination of pollutants or the alteration of the nature of pollutant properties in wastewater prior to discharge to the Patterson Township Municipal Authority's wastewater facilities.
PRETREATMENT STANDARD
Any regulation containing pollutant discharge limits promulgated by the EPA in accordance with Section 307(b) and (c) of the Act, which applies to industrial users.
PROPERLY SHREDDED GARBAGE
Garbage that has been shredded to such a degree that all particles will be carried freely under flow conditions normally prevailing in the wastewater sewers, with no particle greater than one-half (1/2) inch in any dimension.
RESIDENTIAL USER (CLASS I)
All premises used only for human residency and which are connected to the wastewater facilities.
SANITARY WASTEWATER
Wastewater discharged from the sanitary conveniences of dwellings, office buildings, industrial plants or institutions.
STANDARD METHODS
The latest edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association, Water Pollution Control Federation and American Water Works Association.
STATE
The Commonwealth of Pennsylvania.
STORM SEWER
A sewer for conveying storm, surface and other waters which are not intended to be transported to a treatment facility.
SURFACE WATER
Water which occurs when the rate of precipitation exceeds the rate at which water may infiltrate into the soil.
SUSPENDED SOLIDS
The total suspended matter that either floats on the surface of or in in suspension in water or wastewater, as determined by Standard Methods.
TOXICS
Any of the pollutants designated by federal regulations pursuant to Section 307(a)(1) of the Act.
WASTEWATER
A combination of liquid and water-carried wastes from residences, commercial buildings, industries and institutions, together with any groundwater, surface water or stormwater that may be present.
WASTEWATER FACILITY
The combination of the wastewater sewers and treatment facilities.
WASTEWATER SEWER
The structures, processes, equipment and arrangements necessary to collect and transport wastewaters to the treatment facility.
WASTEWATER TREATMENT FACILITY
The structures, processes, equipment and arrangements necessary to treat and discharge wastewaters.
WPCF
The Water Pollution Control Federation.
B. 
"May" is permissive; "shall" is mandatory.
Unless the context of usage indicates otherwise, the meaning of terms in this chapter and not defined in § 158-9 above shall be as defined in the Glossary: Water and Wastewater Control Engineering, prepared by the Joint Editorial Board of the American Public Health Association, American Society of Civil Engineers, American Water Works Association and Water Pollution Control Federation, copyright 1969.