Tetrachlorodibenzodioxin:  an accidental poisoning episode in horse arenas.
Tetrachlorodibenzodioxin was identified as the apparent cause of an outbreak of poisoning in humans, horses, and other animals.  Exposure was related to the  spraying of contaminated waste oil on riding arenas for dust control.  The contamination resulted from improper disposal of a toxic industrial waste.  The pathologic effects and chemical identification of tetrachlorodibenzodioxin are described.
D000368:Aged; D000818:Animals; D002617:Chemical Industry; D002648:Child; D004147:Dioxins / Q000506:poisoning*; D004781:Environmental Exposure; D005260:Female; D006734:Horse Diseases / Q000139:chemically induced*; D006736:Horses; D006801:Humans; D007220:Industrial Waste; D009821:Oils; D000072317:Polychlorinated Dibenzodioxins / Q000506:poisoning* / Q000633:toxicity; D011817:Rabbits; D014865:Waste Disposal, Fluid
D004147:Dioxins; D007220:Industrial Waste; D009821:Oils; D000072317:Polychlorinated Dibenzodioxins