Flammable vapor areas, exhaust fan blades and exhaust ducts shall be kept free from the accumulation of deposits of combustible residues. Where excessive residue accumulates in such areas, spraying operations shall be discontinued until conditions are corrected.
Scrapers, spuds and other tools used for cleaning purposes shall be constructed of nonsparking materials.
Residues removed during cleaning and debris contaminated with residue shall be immediately removed from the premises and properly disposed.
Approved metal waste cans equipped with self-closing lids shall be provided wherever rags or waste are impregnated with finishing material. Such rags and waste shall be deposited therein immediately after being utilized. The contents of waste cans shall be properly disposed of not less than once daily and at the end of each shift.
Solvent distillation equipment used to recycle and clean dirty solvents shall comply with Section 5705.4.
No person shall make any alterations or
repairs thereon or thereto, nor permit them to be made,
before any such rooms, booths or tunnels and all equipment,
ducts and pipes in connection therewith have been
thoroughly cleaned of residue and made gas and vapor
free.