Abstract
To assist in the status assessment of waterbodies in Ireland, new biological classification systems have been developed for seven biological element descriptors. These classification systems have been intercalibrated to ensure comparability of results across EU member states. Boundaries between high and good status and between good and moderate status have been established for each biological element parameter, all of which are consistent with the definitions in the Water Framework Directive. New standards developed for physico-chemical parameters, 16 relevant pollutants and 46 priority substances, which will replace existing standards, are set out.
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