Alpha Cypermethrin
- 2009 January: Weegena Tasmania Spray Drift
- 2003 December: Helicopter Crash Pyengana (Tas). Pesticide: Alpha-Cypermethrin
- 2013 August – 2017 February: Currie (King Island) Tasmania. Pesticides: 2,4-D, Alpha-Cypermethrin, Chlorothalonil, Glyphosate, Hexazinone, Atrazine
- 1989 – 1991: Guildford (Tas) approx. Pesticide Cypermethrin, Alpha-Cypermethrin
- 2003 December: Helicopter Crash Spraying Plantations. Pesticide detected: Alpha-Cypermethrin
- 2005 February: George River (Tas) Oyster Deaths: Suspected Pesticides: Atrazine, Alpha-Cypermethrin.