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...Technical reference guide escape breathing apparatus for underground mining applications standards design and ongoing monitoring trg document control published by nsw resources regulator title first july as mdg authorised chief inspector cm doc amendment schedule date version april october this replaces updated section to include clause of the work health safety regulation amended tables enable in service testing be carried out up until manufacturer s recommended life definitions recognised test authority cached extended usage minor wording updates response stakeholder feedback sections table change inhalation temperature performance criteria new carbon monoxide filter self rescuers c removed appendix d informative references due dated information state south wales through department regional publication is copyright you may download display print reproduce material an unaltered form only retaining notice your personal use or non commercial within organisation copy adapt publish distri...