In its opinion on refractory ceramic fibres, the ACSH agreed that a binding occupational exposure limit value is necessary but failed to reach a common position on a threshold.
Sa tuairim a thug sé maidir le snáithíní ceirmeacha teasfhulangacha, chomhaontaigh ACSH go bhfuil gá le teorainnluach ceangailteach um nochtadh ceirde ach níor éirigh leis teacht ar chomhsheasamh maidir le tairseach.