<unk>  was primarily used as a pesticide for cotton in the southern United States during the late 1960s and 1970s. It was also used on corn, small grains, vegetables, and soybeans. Outside of the realm of crops, it was also used to control ectoparasites such as lice, flies, ticks, mange, and scam mites on livestock. In some cases it was used to kill undesirable fish species in lakes and streams. The breakdown of usage can be summarized: 85% on cotton, 7% to control insect pests on livestock and poultry, 5% on other field crops, 3% on soybeans, and less than 1% on sorghum. The first recorded usage of<unk>  was in 1966 in the United States, and by the early to mid 1970s,<unk>  was the United States' most heavily used pesticide. Over 34 million pounds of<unk>  were used annually from 1966 to 1976. As a result of Environmental Protection Agency restrictions, annual<unk>  usage fell to 6.6 million pounds in 1982. In 1990, the EPA banned all usage of<unk>  in the United States.<unk>  is still used in countries outside the United States but much of this usage has been undocumented. Between 1970 and 1995, global usage of<unk>  was estimated to be 670 million kilograms (1.5 billion pounds).
Toxaphene
Desmethylchlorotrianisene
Triphenylbromoethylene
Chlorotrianisene
Tetramethyl bisphenol F
Bolandiol dipropionate
Vinyl chloride
Chlormerodrin