California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 20 - Flammable Liquids, Gases and Vapors › Article 137 - Spray Coating Operations › Section 5461 - Organic Peroxides and Dual Component Coatings

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Extreme care shall be exercised at all
						times to prevent the contamination of organic peroxide initiators with any
						foreign substance. Only spray guns and related handling equipment specifically
						manufactured for use with organic peroxides shall be used. Separate pressure
						vessels and inserts specific for the application shall be used for the resin
						and for the organic peroxide and they shall not be interchanged.
(b) Organic peroxide pressure tank inserts
						shall be constructed of stainless steel, polyethylene, or other chemically
						nonreactive materials.
(c) Extreme
						care shall be exercised to prevent any mixing of dusts or overspray residues
						resulting from the sanding or spraying of finishing materials containing
						organic peroxides with other materials. Such mixing may result in a spontaneous
						fire or explosion.
(d) All spilled
						peroxides shall be promptly removed so there are no residues. Spilled material
						may be absorbed by using a noncombustible absorbent and then promptly disposed
						of in accordance with the manufacturer's recommendation.
(e) Organic peroxides shall be stored in a
						cool, detached building apart from other finishing materials, and only minimum
						daily requirements shall be brought to the processing area; such material
						remaining at the spraying station at the end of a day's operations shall be
						carefully disposed of. Organic peroxides shall be kept away from all sources of
						heat including steam pipes, radiators, open flames or sparks and solar
						radiation.
(f) Extreme care shall
						be exercised in handling organic peroxides to avoid shock and friction which
						can cause decomposition and violent reaction.
(g) Organic peroxides shall not be mixed
						directly with any accelerators or promoters as violent decomposition or
						explosion may result.
(h) Smoking
						shall be prohibited and "No Smoking" signs shall be prominently displayed and
						only nonsparking tools shall be used in any area where organic peroxides are
						stored, mixed or applied.
(i) Only
						specifically trained personnel shall be permitted to work with these
						materials.
(j) Spraying with
						organic peroxides and other dual-component coatings shall be conducted only in
						sprinkler-equipped spray booths.
(k) All wetted portions of organic peroxide
						handling equipment shall be constructed of stainless steel (300 series),
						polyethylene, Teflon (registered trademark) or other materials which are
						specifically recommended for the application.
1. New
						  subsection (j) filed 12-12-84; effective thirtieth day thereafter (Register 84,
						  No. 50).
2. Amendment of subsection (g) and new subsection (k) filed
						  12-5-86; effective thirtieth day thereafter (Register 86, No.
						  51).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.