California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 3 - Fire Extinguishers
Article 7 - Hydrostatic Testing
Section 591.6 - Examination of Cylinder Condition
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
When an extinguisher cylinder or shell has one or more conditions listed in this section, it shall be destroyed by the owner or at the owner's direction:
(a) When there exists repairs by soldering, welding, brazing, or use of patching compounds.
NOTE: For welding or brazing on mild steel shells, consult the manufacturer of the extinguisher.
(b) When the cylinder or shell threads are damaged.
(c) When there exists corrosion that has caused pitting, including under removable nameplate band assemblies.
(d) When the extinguisher has been exposed to excessive heat or flame from a fire.
(e) When a calcium chloride type of extinguishing agent was used in a stainless steel extinguisher.
(f) When the shell is of copper or brass construction joined by soft solder or rivets.
(g) All inverting-type extinguishers.
1. New section filed 3-4-92; operative 4-3-92 (Register 92, No. 15).
2. Amendment of subsection (d) filed 7-17-2013; operative 10-1-2013 (Register 2013, No. 29).
Note: Authority cited: Section 13160, Health and Safety Code. Reference: Section 13160, Health and Safety Code.
