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The total number of records within the group of herbicides in the time period 2007 – 2017 is 157 341, and the substance with the most exceedance rate is Glyphosate (15.6%) even though the number of records is relatively low (6 257). With some 20 000 records, Trifluralin and Diuron, which are listed as a priority substance under WFD, show less exceedance rates with 2.2 and 1.0%. Four substances show exceedance rate >5% (Table 4.1).