Chemical: Terbacil
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2003 December: Helicopter Crash Pyengana (Tas). Pesticide: Alpha-Cypermethrin
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2005 June: Little Swanport River (Tas). Pesticide: Terbacil
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2004 November – 2005 February: Tea Tree Rivulet (Tas). Pesticides: Simazine, Terbacil
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2004 November – 2005 March: Brushy Plains Rivulet (Tas). Pesticides: Simazine, Terbacil
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2005 October: South Esk River (Perth Tas). Pesticides detected: Simazine, Terbacil.
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2004 December: Western Creek (Tas) Water Supply. Pesticides detected: Atrazine and Simazine.