New South Wales Consolidated Regulations

OCCUPATIONAL HEALTH AND SAFETY REGULATION 2001 - REG 70

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.