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(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 Code.
1. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).
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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