1. (a) No fire extinguisher shall have markings stamped, engraved, or otherwise marked on the shell except:

   1. (1) Extinguishers marked at time of manufacture by the manufacturer in a manner found acceptable to an approved testing agency.
   2. (2) High Pressure Cylinders.
2. (b) Engraving on the skirt, valve, handle or control lever with an engraving pencil is permitted.

3. (c) Existing aluminum shell extinguishers and existing mild steel extinguishers having engraving on the shell, shall be permitted to remain in service under the following conditions:

   1. (1) Aluminum shell extinguisher is hydrostatically tested biannually to ensure their structural integrity.
4. (d) Existing fire extinguishers of copper, brass, or other similar wall construction which have been engraved on the extinguisher shell with other than an electric engraving pencil or which have been stamped on the shell in any manner shall be removed from service and discarded in accordance with Section 577.1.
5. (e) All future engraving permitted on any extinguisher shall be performed with an electric engraving pencil.

Note: Authority: Section 13160, Health and Safety Code. Reference: Sections 13160, 13162 and 13177, Health and Safety Code.

History

1. New section filed 3-4-92; operative 4-3-92 (Register 92, No. 15).

2. Renumbering of former section 596.10 to section 596.9 and renumbering and amendment of former section 596.12 to section 596.10 filed 12-27-2001; operative 1-1-2002 pursuant to Government Code section 11343.4 (Register 2001, No. 52).