A

p210

Table 2—Comparison of pesticide concentrations detected across the two monitoring years undertaken at the sugar sites within the Lower Herbert catchment.

2011-12

Diuron: 1.557ug/Lav, 10.97ug/L max, 0.03ug/L min

Hexazinone: 0.277ug/L av, 2.9ug/L max, 0.01ug/L min

Atrazine: 0.295ug/L av, 2.64ug/L max, 0.01ug/L min

Desethyl Atrazine: 0.071ug/L av 0.23ug/L max, 0.01ug/L min

Desisopropyl Atrazine: 0.037ug/L av, 0.06ug/L max, 0.02ug/L min

Imidacloprid: 0.062ug/L av, 0.28ug/L max, 0.01ug/L min

Ametryn: 0.042ug/L av, 0.18ug/L max, 0.01ug/L min

Metolachlor: 0.13ug/L av, 0.39ug/L max, 0.012ug/L min

Metribuzin: 0.212ug/L av, 0.416ug/L max, 0.122ug/L min

Diazinon: 0.157ug/L av, 0.157ug/L max, 0.157ug/L min

Terbutryn: 0.02ug/L av, 0.02ug/L max, 0.02ug/L min

2012-13

Diuron: 2.109ug/L av, 34ug/L max, 0.03ug/L min

Hexazinone: 1.011ug/L av, 16ug/L max, 0.02ug/L min

Atrazine: 0.426ug/L av, 1.2ug/L max, 0.02ug/L min

Desethyl Atrazine: 0.038ug/L av, 0.08ug/L max, 0.02ug/L min

Imidacloprid: 0.056ug/L av, 0.14ug/L max, 0.02ug/L min

Ametryn: 0.123ug/L av, 0.34ug/L max, 0.02ug/L min

Metolachlor: 0.25ug/L av, 0.54ug/L max, 0.03ug/L min

Diazinon: 0.157ug/L max

Terbutryn

Proc Aust Soc Sugar Cane Technol Vol 36 2014

HERBERT WATER QUALITY MONITORING PROJECT: 2011–2013 RESULTS  
By  DOMINIQUE O’BRIEN1, AARON DAVIS1, MICHAEL NASH2, LAWRENCE DI BELLA3, JON BRODIE1 

1Catchment to Reef Research Group, Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Townsville 2Terrain – Natural Resource Management in the Wet Tropics, Ingham 3Herbert Cane Productivity Services Limited (HCPSL), Ingham