2017 December. Mackay Catchment (Queensland). Pesticides: Chlorpyrifos, DEET, Imidacloprid, 2,4-D, Atrazine, Diuron, Hexazinone, MCPA, Metolachlor, 4-Nonylphenol-mono-ethoxylate, 4-Nonylphenol-di-ethoxylate

Mackay Catchment Qld – December 2017

Chlorpyrifos: 0.0057ug/L (highest detection)

DEET: 0.0116ug/L (highest detection)

Imidacloprid: 0.415ug/L (highest detection)

2,4-D: 0.045ug/L (highest detection)

Atrazine: 0.0206ug/L (highest detection)

Diuron: 0.0274ug/L (highest detection)

Hexazinone: 0.0516ug/L (highest detection)

MCPA: 0.0226ug/L (highest detection)

Metolachlor: 0.0067ug/L (highest detection)

4-Nonylphenol-mono-ethoxylate (adjuvant): 0.0154ug/L (highest detection)

4-tert-Octylphenol (adjuvant): 0.0067ug/L (highest detection)

4-Nonylphenol-di-ethoxylate (adjuvant): 0.0097ug/L (highest detection)

Metalaxyl: 0.0064ug/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)