Tracking changing X-ray contrast media application to an urban-influenced karst aquifer in the Wadi Shueib, Jordan.

@article{Zemann2015TrackingCX,
  title={Tracking changing X-ray contrast media application to an urban-influenced karst aquifer in the Wadi Shueib, Jordan.},
  author={Moritz Zemann and Leif Wolf and Felix Grimmeisen and Andreas Tiehm and Jochen Klinger and Heinz H{\"o}tzl and Nico Goldscheider},
  journal={Environmental pollution},
  year={2015},
  volume={198},
  pages={133-43}
}
Sewage input into a karst aquifer via leaking sewers and cesspits was investigated over five years in an urbanized catchment. Of 66 samples, analyzed for 25 pharmaceuticals, 91% indicated detectable concentrations. The former standard iodinated X-ray contrast medium (ICM) diatrizoic acid was detected most frequently. Remarkably, it was found more frequently in groundwater (79%, median: 54 ng/l) than in wastewater (21%, 120 ng/l), which is supposed to be the only source in this area. In contrast… CONTINUE READING

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