9-8-3: DEFINITIONS:

For the purposes of this chapter, the following terms, phrases, words and derivations shall have the meanings given herein. The word "shall" is always mandatory not merely directory.

AIR POLLUTION: The presence in the outdoor atmosphere of any contaminant or combinations thereof in such quality or of such nature and duration and under such conditions as would be injurious to human health or welfare, to animal or plant life, or to property, or to interfere unreasonably with the enjoyment of life or property.

AIR QUALITY INDEX (AQI): A national system used to report local, daily air pollution levels to the public. Monitored air pollution levels are converted to a uniform scale ranging from 0 (good) to 500 (hazardous) with the pollutant that has the highest ambient concentration determining the AQI.

BUILDING: Any structure, dwelling, office, industrial plant, garage or barn, whether publicly or privately owned, or any other structure as defined by the International Building Code as adopted by the City in section 9-1-2 of this title.

BURN DOWN: That period of time following an air pollution alert, required for the cessation of combustion within any solid fuel heating appliance included within this chapter.

CLEAN BURNING APPLIANCE: A solid fuel heating appliance that the U.S. Environmental Protection Agency (EPA) has certified to meet acceptable emission performance standards.

ECONOMIC HARDSHIP: Fifty percent (50%) or less of the Boise City median income as established by the U.S. Department of Housing and Urban Development (HUD).

OPEN BURNING: The combustion of any material not contained in a heating appliance or incinerator.

PM-2.5: Airborne particles 2.5u or less in diameter.

PM-10: Airborne particles 10u or less in diameter.

PERSON: Any individual, firm, partnership, association, corporation, company, organization, or governmental entity.

REFUSE: All solid wastes, garbage and rubbish, including, but not limited to, cardboard, plastic, rubber, styrofoam, petroleum products, food stuff, Christmas trees, yard debris or chemically treated wood.

REFUSE INCINERATOR: Any device designed or operated to reduce the volume of refuse. Natural gas fired pathological incinerators are excluded.

SOLID FUEL: Any form of untreated wood or coal.

SOLID FUEL HEATING APPLIANCE: A. An enclosed device designed for solid fuel combustion that meets all of the following criteria: