For purposes of this division, the following definitions shall apply:
(a) “Cullet” means postconsumer glass from food, drink, or beverage containers, or any other glass not generated by fiberglass manufacturing.
(b) “Department” means the Department of Conservation.
(c) “Fiberglass manufacturer” means a person who uses glass in the commercial manufacture of building insulation fiberglass for wholesale or retail sale in the state.
(d) “Building insulation” means a fiberglass batt, blanket, loose fill or spray-in-place material primarily designed and used to resist heat flow, that is installed in roofs, ceilings, walls, and floors of buildings.