In the absence of relevant available mercury-free manufacturing processes, operating conditions for the production of sodium or potassium methylate or ethylate involving the use of mercury should be laid down.
In éagmais na bpróiseas táirgthe ábhartha saor ó mhearcair a bheith ar fáil, ba cheart coinníollacha oibriúcháin a leagan síos do tháirgeadh meitioláite nó eitioláite sóidiam nó potaisiam lena mbaineann úsáid mearcair.