For purposes of this chapter:
   (a)    "Air contaminant" means dust, fumes, gas, mist, smoke, vapor, odor or particulate matter, or any combination thereof present in the atmosphere.
   (b)    "Air pollution" means the presence in the outdoor atmosphere of one or more air contaminants or any combination thereof in sufficient quantities and of such characteristics and duration which are injurious or are likely to be injurious to public welfare, to the health of human, plant or animal life or to property, or which unreasonably interfere with the enjoyment of life and property.
   (c)    "Control equipment" means any equipment which has the function of controlling the emissions from a process, fuel-burning, or refuse-burning equipment and thus reduces the creation of, or the emission of air contaminants into the atmosphere, or both.
   (d)    "Department" means the Service Department.
   (e)    "Director" means the Service Director of the Service Department or his duly authorized agent.
   (f)    "Fuel-burning equipment" means any equipment, device or contrivance and all appurtenances thereto, including ducts, breechings, fuel-feeding equipment, ash removal equipment, combustion controls and stacks and chimneys, which are used primarily but not exclusively, to burn any fuel for the purpose of indirect heating in which the material being heated is not contacted by and adds no substance to the products of combustion.
   (g)    "Incinerator" means any equipment, device or contrivance used for the destruction of garbage, rubbish or other wastes by burning, and all appurtenances thereof.
   (h)    "Opacity" means the state of a substance which renders it partially or wholly impervious to rays of light. Opacity as used in this chapter refers to the obscuration of an observer's view.
   (i)    "Open fire" means a fire in which any material is burned in the open or in a receptacle other than a furnace, incinerator or other equipment connected to a stack.
   (j)    "Particulate matter" means material other than uncombined water which is or has been suspended in air or other gases and is a liquid or a solid at standard conditions of temperature (sixty-eight degrees Fahrenheit) and pressure (14.7 pounds per square inch absolute).
   (k)    "Person" means any individual, partnership, firm, public or private corporation, association, subdivision or agency of the State or any other legal entity.
   (l)    "Process weight" means the total amount of all material introduced into an industrial operation including solid fuels but excluding liquid fuels and gaseous fuels when these are used as fuels and air introduced for purposes of combustion.
   (m)    "Process weight per house" means:
      (1)    For continuous or long-term operation, the total process weight for the entire period of operation or for a typical portion thereof, divided by the number of hours of such period or portion thereof.
      (2)    For batch operation, the total process weight for a period which covers a complete operation or an integral number of cycles, divided by the hours of actual process operation during such period.
   (n)    "Ringelmann Smoke Chart" means a chart for grading the appearance, density or shade of smoke, as published, with instructions for use, by the U.S. Bureau of Mines in Information Circular 7718, dated August, 1955.
   (o)    "Salvage operation" means any operation conducted in whole or in part for the salvaging or reclaiming of any product or material.
   (p)    "Smoke" means small gas borne particles, other than water, in sufficient number to be observable.
   (q)    "Source" means any physical arrangement, condition or structure which may emit air contaminants.
      (Ord. 1968-26. Passed 10-8-68.)