CZ CZ_RB_1000 Danube RBD 2009 552 Biochemical Qxygen Demand PT both 1596 CZ CZ_RB_5000 Elbe RBD 2009 552 Biochemical Qxygen Demand PT both 4703 CZ CZ_RB_6000 Oder RBD 2009 552 Biochemical Qxygen Demand PT both 895 CZ CZ_RB_1000 Danube RBD 2009 553 Chemical Oxygen Demand PT both 8381 CZ CZ_RB_5000 Elbe RBD 2009 553 Chemical Oxygen Demand PT both 28378 CZ CZ_RB_6000 Oder RBD 2009 553 Chemical Oxygen Demand PT both 7584 CZ CZ_RB_1000 Danube RBD 2009 551 Total Phosphorus PT both 232 CZ CZ_RB_5000 Elbe RBD 2009 551 Total Phosphorus PT both 793 CZ CZ_RB_6000 Oder RBD 2009 551 Total Phosphorus PT both 131