Fig. 2From: Combining in vitro reporter gene bioassays with chemical analysis to assess changes in the water quality along the Ammer River, Southwestern GermanyDetected target pollutants from sampling sites 1 to 9 along the Ammer River, the tributaries Schönbrunnen (SB) and Mühlbach (MS) and from one sample of the Kleiner Goldersbach (G) creek. The concentration of hydrochlorothiazide at site 4 was 1.9 µg L−1 which exceeds the concentration scale and is colored in dark redBack to article page