"Paint mixing room" means a room designed, intended or used for the purpose of mixing paint, varnish, lacquer, enamel or other such volatile or flammable liquid or liquid containing any volatile flammable substance in solution or suspension, during any 24-hour period.
"Paint spraying room" means a room designed, intended or used for the purpose of spraying more than ten gallons of paints, varnish, lacquer, enamel or other such volatile or flammable liquid or liquid containing any volatile flammable substance in solution or suspension during any 24-hour period; without use of an approved spray booth.
"Paint spraying" means the application of flammable or combustible paint, varnish, lacquer, enamel, stain or other such volatile or flammable liquid, or liquid containing any volatile flammable substance in solution or suspension applied as a spray by whatever means, in continuous or intermittent processes, where more than one gallon of such liquid is used in any 24-hour period.
"Spray area" means any area in which dangerous quantities of flammable vapors or combustible residues, dusts or deposits are present due to the operation of spraying processes. The spray area shall include:
(a) The interior of spray booths;
(b) The interior of ducts exhausting from spraying processes;
(c) Any area in the direct path of spray or any area containing dangerous quantities of air- suspended combustible residue, dust, deposits, spray or vapor as a result of spraying operations.
"Spray booth" means a specially designed enclosure constructed of noncombustible materials and otherwise complying with the requirements of this chapter and other applicable sections of this Code, in which paint-spraying operations are carried on.
(Prior code § 129.1-47)