Table 1.
Naproxen concentration in the aquatic environment
| Sources | Concentration (μg/l) | References |
|---|---|---|
| Estuary of Seine River, France | Up to 0.275 | Shanmugam et al. 2014 |
| German rivers | Up to 0.39 | Vulava et al. 2016 |
| Lake Greifensee, Switzerland | 0.003–0.010 | Straub and Stewart 2007 |
| Lake Haapajarvi, Finland | 0.040–0.21 | Brozinski et al. 2013 |
| A major river in Korea | 0.326 | Ji et al. 2013 |
| Marina catchment, Singapore | 0.008–0.108 | Shanmugam et al. 2014 |
| Ebro River, Spain | Up to 0.109 | Shanmugam et al. 2014 |
| Elbe River, Germany | up to 0.032 | Straub and Stewart 2007 |
| Fyris River, Sweden | 0.447 | Shanmugam et al. 2014 |
| Glatt River, Switzerland | 0.004–0.36 | Straub and Stewart 2007 |
| Han River, South Korea | 0.005–0.1 | Shanmugam et al. 2014 |
| Ladysmith River, South Africa | 2.77 | Madikizela et al. 2017 |
| Lopan River, Ukraine | 0.2–0.264 | Shanmugam et al. 2014 |
| Malir River, Pakistan | 11.4–32.00 | Shanmugam et al. 2014 |
| Mbokodweni River, South Africa | 1.0–3.8 | Sibeko et al. 2019 |
| Pearl River, China | Up to 0.328 | Shanmugam et al. 2014 |
| Rhine River, Germany and Switzerland | Up to 0.028 | Straub and Stewart 2007 |
| Sindian River, Taiwan | 0.035–0.27 | Shanmugam et al. 2014 |
| Tiber River, Italy | 0.24–0.27 | Grenni et al. 2014 |
| Rivers, Canada | Up to 4.5 | Shanmugam et al. 2014 |
| Rivers, Japan | Up to 0.24 | Shanmugam et al. 2014 |
| Rivers, Poland | Up to 0.753 | Shanmugam et al. 2014 |
| Rivers, Slovenia | Up to 0.08 | Shanmugam et al. 2014 |
| Seawater, Portugal | 0.178 | Jallouli et al. 2016 |
| Sediment of the Danube River, Europe | 7–57 μg/kg | Garcia-Medina et al. 2015 |
| Water sources from Mexico City, Mexico | 0.052–0.186 | Garcia-Medina et al. 2015 |