Clarence Catchment NSW
Chlorpyrifos: 0.0179ug/L (highest detection)
2,4-D: 0.01450ug/L (highest detection)
Atrazine: 0.011ug/L (highest detection)
Diuron: 0.0187ug/L (highest detection)
Hexazinone: 0.0038ug/L (highest detection)
Metolachlor: 0.0098ug/L (highest detection)
Tebuthiuron: 0.0023ug/L (highest detection)
Source: The impacts of modern-use pesticides on shrimp agriculture: An assessment for north eastern Australia. Article in Ecotoxicology and Environmental Safety: February 2018 (Hook, Sellars, Kookana, Kumar)