Table 7.3.   Median and maximum concentrations of selected key pesticides among herbicides, fungicides and insecticides in water samples from the stream station and the drain station in the Odderbæk catchment. Tabel 7.3.   Median og maximum koncentrationer af udvalgte pesticider (herbicider, fungicider Odderbæk oplandet. Pesticides Approved (1999) Stream station Drain station Med Max Med Max Herbicides Concentration (ng l^-1) Terbuthylazine + 4 136 1 1 Desethylterbuthylazine M 3 28 nd nd Hydroxyterbuthylazine M 2 8 1 1 Bentazone* + 3 291 0 4 17 Bromoxynil + 14 162 12 37 Pendimethalin* + 14 195 14 26 BAM M 3 20 1 1 Ioxynil* + 4 4 nd nd Ethofumesate* + 6 6 112 112 Nitrophenol M 7 104 4 37 MCPA + 6 21 8 11 Hexazinone �€ 35 68 nd nd Atrazine �€ 1 2 3 4 Simazine + 1 1 nd nd Hydroxysimazine M 8 8 nd nd Isoproturon + 59 129 71 129 DNOC �€ 4 72 3 4 Diuron + 7 140 nd nd Fungicides Propiconazole + 7 44 2 3 Fenpropimorph* + 21 42 nd nd Prochloraz* + 1 19 nd nd Insecticides Dimethoat + 2 2 nd nd Pirimicarb + 8 14 nd nd Hydroxycarbofuran M nd nd nd nd * Proposed model pesticides; nd = not determined; M = metabolite