'Air contaminant', for purposes of air pollution control laws, means:(1) dust;(2) fumes;(3) gas;(4) mist;(5) smoke;(6) vapor; or(7) any combination of the items described in subdivisions (1) through (6).[Pre-1996 Recodification Citation: 13-1-1-2(d), (h) part.]As added by P.L.1-1996, SEC.1.
Indiana Legal Code