2010 March – October: Lake Hawthorn (Vic). Insecticide in Sediment from Locust Control: Chlorpyrifos

An Assessment of Effects of the 2010-2011 Australian Plague Locust Response on Victorian Aquatic Ecosystems 

Centre for Aquatic Pollution Identification and Management Technical Report #9

Bryant Gagliardi, Sara Long, Gavin Rose, Lisa Golding, Jason Lieschke, Tara Daw Quadros, Leon Metzeling, Vincent Pettigrove.

December 2011

28/10/10 Lake Hawthorn Chlorpyrifos 28ug/kg (sediment)

17/3/10 Lake Hawthorn Chlorpyrifos 22ug/kg (sediment)