Chemical: Diquat
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1962 December: Malmsbury Reservoir Spillway. Pesticides: Amitrole, Diquat, Paraquat
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1984: Spraydrift damage Merredin (WA). Pesticides: Paraquat, Diquat, 2,4-D, Glyphosate
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1987 July: Kobyboyn Area (Vic). Pesticides detected: Paraquat, Diquat
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1964-66: Australian Army Tests Pesticides Innisfail Queensland
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1984: Spray Drift Merridan Western Australia