2020: South Ballina (NSW). Pesticides in water and oysters

South Ballina Richmond River (NSW) Jan – March 2020

Pesticide occurrence in a subtropical estuary, Australia: Complementary sampling method
https://doi.org/10.1016/j.envpol.2023.123084

Pesticide Concentrations in Water

Atrazine 0.35ug/L, Diuron 0.51ug/L, Hexazinone 0.51ug/L, Metolachlor 0.33ug/L

Pesticide Concentrations in Oysters

Atrazine 0.13 ng/g/w, Diuron 6 ng/g/w, Fluproponate 2.3 ng/g/w, Fosetyl Aluminium 14 ng/g/w, Hexazinone 1.16 ng/g/w, Iprodione 0.74 ng/g/w, Metolachlor 0.18ng/g/w, Pebulate 8.5 ng/g/w, Propargite 15.9 ng/g/w, Prothiofos 1 ng/g/w, Vernolate 1.4 ng/g/w