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DDT
The first _ _ insecticides developed were chlorinated hydrocarbon compounds such as DDT, chlordane, aldrin, dieldrin, heptachlor and lindane.
synthetic organic
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DDT
The first synthetic organic insecticides developed were _ _ compounds such as DDT, chlordane, aldrin, dieldrin, heptachlor and lindane.
chlorinated hydrocarbon
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DDT
The first synthetic organic insecticides developed were _ _ compounds such as DDT, chlordane, aldrin, dieldrin, heptachlor and lindane.
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DDT
DDT, however, is still used for controlling adult mosquito vectors of malaria by public health programs of _ _. Those uses are sanctioned by the World Health Organization (WHO).
some countries
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DDT
Bed bug and German cockroach populations in many areas developed significant resistance to _ insecticides like DDT and chlordane that were commonly used in the 1950s and 1960s
organochlorine
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DDT
DDT’s mode of action is similar enough to that of the _ that cross-resistance was present in bed bug and cockroach populations when the pyrethroids became the primary active ingredients available
pyrethroids
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DDT
International treaties have been ratified to ban worldwide use of many _ pesticides, and organophosphate and carbamate are no longer permitted for most non-agricultural uses in the United States and many other countries.
organochlorine
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DDT
International treaties have been ratified to ban worldwide use of many organochlorine pesticides, and _ are no longer permitted for most non-agricultural uses in the United States and many other countries.
organophosphate
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DDT
International treaties have been ratified to ban worldwide use of many organochlorine pesticides, and organophosphate and _ are no longer permitted for most non-agricultural uses in the United States and many other countries.
carbamate
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DDT
Some pesticides such as the _ _ DDT and chlordane (which are now banned for use in the United States and many other countries) — are considered bioaccumulators.
chlorinated hydrocarbons
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DDT
Some pesticides such as the chlorinated hydrocarbons DDT and chlordane (which are now banned for use in the United States and many other countries) — are considered _
bioaccumulators
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DDT
_ control was perfected in the 1940s when the chlorinated hydrocarbon insecticides, and dichlorodiphenyltrichloroethane (DDT)
Bed bug
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