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The operation and maintenance of paint spray operations shall also comply with the following:
(a) All spray areas shall be kept as free from the accumulations of deposits of combustible residues as practical with cleaning conducted daily.
(b) Scrapers, spuds, or other such tools used for cleaning purposes shall be of nonsparking material.
(c) Residue scrapings and debris contaminated with residue shall be immediately removed from the premises and properly disposed of.
(d) The use of flammable solvents for cleaning operations shall be restricted to those having a flashpoint of not less than 100 degrees Fahrenheit closed cup tester except that solvents with flashpoints not less than those normally used in spraying operations may be used for cleaning spray nozzles and auxiliary equipment, provided such cleaning is conducted inside spray booths and ventilating equipment is operating during cleaning periods.
(e) Spray booths shall not be alternately used for different types of coating materials, where the combination of the materials may be conducive to spontaneous ignition, unless all deposits of the first used material are removed from the booth and exhaust ducts prior to spraying with the second coating material.
(Prior code § 129.1-58)