The link with groundwater policy is clear in this respect, i.e. nitrate concentrations in groundwater should not exceed the trigger value of 50 mg/l.
Is léir an nasc le beartas i leith screamhuisce maidir leis sin i. níor cheart go mbeadh comhchruinnithe níotráite i screamhuisce thar an luach truicir de 50mg/l.