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Subchapter 7. General Industry Safety Orders
Group 10. Gas Systems for Welding and Cutting
Article 80. Purpose and Definitions
(a) The following Group 10 orders shall apply to the installation and operation
of all gas welding and cutting systems when used with gases and oxygen for welding,
flame cutting, heating and heat treating operations and includes brazing and soldering.
The definitions for brazing and soldering as contained in American National Standards
Institute (ANSI)/American Welding Society (AWS) A3.0-94, Standard Welding Terms
and Definitions are hereby incorporated by reference.
(b) Where only a portion of a fuel gas system is to be used with oxygen for
the operations specified in subsection (a), only that portion of the system
shall comply with these orders and shall be separated from the main system by
means of a suitable hydraulic back-pressure valve. These orders also govern
the storage of calcium carbide and of gases used in these processes and the
installation and operation of acetylene generating systems.
Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor
1. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76,
2. Amendment filed 6-12-87. operative 7-12-87 (Register 87, No. 26).
3. Amendment filed 12-3-2002; operative 1-2-2003 (Register 2002, No. 49).
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