1998 1999 2000 Active substance 3rd 4th 1st 2nd 3rd 4th 1st 2nd 3rd   1-15 Oct. Atrazine BAM (2,6 dichlorobenzamide) Benazolin Bentazone 2158 3137 Bromoxynil 3336 672 8725 1780 105 2250 5114 Carbofuran Chloridazon Chlorsulfuron Cyanazine Desethylatrazine Desethylterbuthylazine Desisopropylatrazine Dicamba Dichlorprop Dimethoate Dinoseb Diuron 960 6720 3840 DNOC Ethofumesate 2704 2919 Fenpropimorph 1584 23695 1215 14487 Flamprop 1015 Fluazifop 776 1626 975 1517 Hexazinone Hydroxyatrazine Hydroxysimazine Hydroxyterbuthylazine Hydroxycarbofuran Ioxynil 2224 448 10282 1780 105 2415 3664 Isoproturon 2200 24300 Lenacil Linuron MCPA 6871 21748 Mecoprop 7700 Methabenzthiazuron Metamitron 16688 15087 Metribuzin Metsulfuron-methyl 360 4 121 Nitrophenol Pendimethalin 7260 1012 540 56420 880 15208 Pirimicarb 946 5017 1958 3382 928 Prochloraz 162 Propiconazole 528 6536 506 3543 Propyzamide Simazine 800 24583 Terbuthylazine 3525 3500 Thifensulfuron 4 Triadimenol Triasulfuron 2,4-D 2,4-dichlorphenol