Table 5.5 Comparison of experimental Koc = Kd/foc data with registration Koc from Table 2.1. Koc [L/kg oc] Sediment particulate structure pH Organic matter content (NVOC) [g/kg] Pendimethalin Ioxynil Bentazone Registration data 6-7 13400 182-276 42-156 Pond sediment very fine 7.6 33 16700-18647 - - Lillebæk coarse 7.8 29 7712-21289 117-203 17-18 Odderbæk fine 7.2 100 5446-21704 126-201 7-10 Vaparanta medium 5.4 5782-14487 160-186 124-132 Höytiäinen very fine 32 10741-11841 233-276 14-17 Kuorinka very fine 16 18436-18638 289-291 239-239 Mekrijärvi medium 243 10371-10795 1197-1213 1.1-1.5