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(a) Before opening lines or other equipment, the pressure shall be reduced to atmospheric or as near atmospheric as is practicable. Employees shall be informed of the hazards from the contents of lines or equipment, and shall be instructed on precautions necessary.
(b) When practicable flammable gas or vapor lines and equipment shall be emptied of their contents. When necessary to protect employees, such lines or equipment shall be washed or steamed before being opened.
(c) All sources of ignition shall be eliminated or controlled and be sufficiently remote so as to present no hazard before bleeding or opening lines containing flammable liquids, gases or vapors.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 7-20-59; effective thirtieth day thereafter (Register 59, No. 12).
2. Amendment of subsections (a)-(c), repealer of subsections (d)-(e) and amendment of Note filed 5-8-95; operative 6-7-95 (Register 95, No. 19).
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