The following definitions shall apply in the interpretation and enforcement of this chapter and all regulations adopted under this chapter:
"Air contaminant"means any fume, smoke, particulate matter, vapor, gas or any combination thereof, but not including water vapor or steam.
"Atmosphere"means the air that envelops or surrounds the earth.
"Compliance"means satisfactory adherence to the requirements of this chapter and any rules and regulations promulgated and adopted under this chapter.
"Emission"means the discharge or release into the atmosphere of one or more air contaminants.
"Engine"means any internal combustion machine such as found in motor vehicles which utilize gasoline or diesel fuel.
"Opacity"means the degree to which an emission reduces the transmission of light, expressed in percentage of the obscuration.
"Particulate matter"means any material, except uncombined water, that exists in a finely divided form as liquid or solid.
"Person"means any person, firm, association, organization, partnership, business, trust, corporation, company, contractor, supplier, installer, user or owner and shall include any municipal corporation, state or federal government agency, district or any officer or employee thereof.
"Qualified observer"means an observer who has achieved certification by the Colorado Department of Health Air Pollution Control Division after satisfactorily completing a course in observing, grading and recording visible emissions in terms of opacity.
"Smoke"means small gas-borne particles resulting from incomplete combustion and consisting predominantly, but not exclusively, of carbon and other combustible materials.
"Vehicle"means all vehicles propelled by power, other than muscular power, including by way of example but not by limitation, automobiles, trucks, motorcycles, construction equipment and farm tractors.
(Prior code § 14 1/2-12)