has an excess pressure, due to endogenous carbon dioxide in solution of not less than 1 bar and not more than 2,5 bar when kept at a temperature of 20 °C in closed containers;
ag a bhfuil brú barrachais, mar thoradh ar dhé-ocsaíd charbóin inginiúil a bheith ar tuaslagadh ann, nach lú ná 1 bhar agus nach mór ná 2,5 bhar nuair a choinnítear ag teocht 20 °C i gcoimeádáin dhúnta é;