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This section applies to the cleaning, repairing, or altering of any container when such work will be done without a person entering the container.
(a) The employer shall provide specific information regarding safe procedures and other precautions before cleaning or subsequent use or disposal of a container. The employer shall ensure that these procedures and precautions are followed.
(b) Welding or cutting containers.
(1) Used containers. No welding, cutting, or other hot work shall be performed on used drums, barrels, tanks or other containers until they have been cleaned so thoroughly as to make absolutely certain that there are no flammable materials present or any substances such as greases, tars, acids, or other materials which, when subjected to heat, might produce flammable or toxic vapors. Any pipe lines or connections to the drum or vessel shall be disconnected or blanked.
(2) Venting and purging. All hollow spaces, cavities, or containers shall be vented to permit the escape of air or gases before preheating, cutting or welding.
NOTE: Purging with inert gas is recommended.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 12-10-87; operative 1-9-88 (Register 87, No. 51).