Fig. 4

Extrapolated discharge (kg/a) of a pharmaceuticals and b selected micropollutants by the WWTP Langwiese. Analyses were conducted with surface water samples taken from the Schussen River prior to (red) and after (blue) the WWTP upgrade. Numbers next to columns represent differences before and after the upgrade (negative values represent reduction in discharge after the upgrade). Left: 10,11-dihydro-10,11-dihydroxycarbamazepine (DiOH-CBZ), 4-formylaminoantipyrine (4-FAA), 4-acetaminoantipyrine (4-AAA), sulfomethoxazole (SMX), diclofenac (DCF), metoprolol (MTP), and carbamazepine (CBZ); right: 4- and 5-methylbenzotriazole (4- and 5-MBTZ), 1H-benzotriazole (BTZ), acesulfame (ACE), and tris(2-chloropropyl)phosphate (TCPP)