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Contents (2001 - 648)
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Occupational Health and Safety Regulation 2001
Repealed version for 7 June 2011 to 31 December 2011 (accessed 1 March 2019 at 08:58)
70   Purging before entry—particular risk control measures
(1)  An employer must ensure that, if appropriate, a confined space is cleared of all contaminants by use of a suitable purging agent by which contaminants are displaced from the confined space before a person enters the confined space.
(2)  An employer must ensure that pure oxygen or a gas mixture in a concentration of more than 21% of oxygen by volume is not used for the purging or ventilation of a confined space.
Maximum penalty: Level 4.