Pesticide monitoring in inshore waters of the Great Barrier Reef using both time-integrated and event monitoring techniques (2012 – 2013) September 2013
Prepared for – The Program Manager, The Great Barrier Reef Marine Park Authority.

Entox The University of Queensland National Research Centre for Environmental Toxicology

Appendix D p66 Table 27 Dunk Island, Wet Tropics region – Concentration in water (ng.L-1)

23 Apr 12 – 29 May 12: Ametryn 0.01, Atrazine 0.26, DE Atrazine 0.04,, Diuron 3.2, Hexazinone 0.33, Tebuthiuron 0.24, Metolachlor 0.02, Imidacloprid 0.01

29 May 12 – 12 Jul 12: Ametryn 0.06, Atrazine 0.22,, Diuron 3.0, Hexazinone 0.78, Prometryn 0.01, Tebuthiuron 0.07, Terbutryn 0.1

12 Jul 12 – 29 Aug 12: Ametryn 0.07, Atrazine 0.11, Diuron 2.82, Hexazinone 0.57,Simazine 0.03, Tebuthiuron 0.09, Metolachlor 0.19

29 Aug 12 – 4 Nov 12: Ametryn 0.27, Atrazine 0.4, DE Atrazine 0.08, Diuron 0.58, Hexazinone 0.14, Prometryn 0.01, Tebuthiuron 0.02, Metolachlor 0.05

4 Nov 12 – 15 Dec 12: Ametryn 0.02, Atrazine 0.11, Diuron 0.41,  Hexazinone 0.08, Simazine 0.01, Tebuthiuron 0.01, Metolachlor 0.02

15 Dec 12 – 9 Jan 13 (PDMS): Galoxolide 0.04

9 Jan 13 – 4 Feb 13: Ametryn 0.11, Atrazine 0.29, Diuron 11,  Hexazinone 2, Simazine 0.02, Tebuthiuron 0.01, Metolachlor 0.29, Imidacloprid 1.4

4 Feb 13 – 15 Mar 13: Ametryn 0.19, Atrazine 3.4, DE Atrazine 0.07, Diuron 15,  Hexazinone 3.8, Simazine 0.06, Tebuthiuron 0.11, Metolachlor 0.28, Imidacloprid 0.26

15 Mar 13 – 8 Apr 13: Ametryn 0.09, Atrazine 1.1, DE Atrazine 0.03, Diuron 5.2,  Hexazinone 1.1, Tebuthiuron 0.14, Metolachlor 0.07, Imidacloprid 0.49

8 Apr 13 – 14 May 13: Ametryn 0.14, Atrazine 0.73, Diuron 6.7,  Hexazinone 2.1, Tebuthiuron 1.9, Metolachlor 0.22, Imidacloprid 0.21 (Metolachlor 6.8 PDMS)