title: Acute toxicity of four phenoxy herbicides to aquatic organisms.
mesh_terms: D015084:2,4-Dichlorophenoxyacetic Acid / Q000031:analogs & derivatives / Q000633:toxicity; D008456:2-Methyl-4-chlorophenoxyacetic Acid / Q000031:analogs & derivatives / Q000633:toxicity; D000818:Animals; D003621:Daphnia / Q000502:physiology*; D004123:Dimethylamines / Q000633:toxicity; D005399:Fishes / Q000502:physiology*; D006540:Herbicides / Q000633:toxicity*; D014873:Water Pollutants / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D004123:Dimethylamines; D006540:Herbicides; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; C037991:2,4-D amine; C046635:2,4-dichlorophenoxyacetic acid isooctyl ester; D015084:2,4-Dichlorophenoxyacetic Acid; C046636:(4-chloro-2-methylphenoxy)acetic acid isooctyl ester; D008456:2-Methyl-4-chlorophenoxyacetic Acid