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14 Cards in this Set
- Front
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Credited with sensitizing the public to the potential hazards of chemicals that were being disseminated into the environment. |
Silent Spring, written by Rachel Carson in 1962 |
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and organic compound such as acetylene, benzene, or butane, containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens. |
hydrocarbon |
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persistent organic pollutants POP |
toxic chemicals that adversely affect human health and the environments around the world. Hard to break down, last for a long time. Example is the pesticide DDT. |
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The "Golden age of discovery" of insecticides occurred in the mid-1900s, with the invention of? |
Neuroactive chemicals, such as chlorinated hydrocarbons, organophosphates, methyl carbamates, and pyrethroids. |
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Herbicide |
a chemical pesticide designed to control or destroy plants, weeds, or grasses. |
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Rodenticide |
a chemical or aging used to destroy rats or other rodent pasts, or to prevent them from damaging food, crops, etc. |
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Why is OP popular? |
organophosphate is inexpensive, controls multiple insects, and is not weakened by the resistance of insects.Tend not to persist in the environment. |
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DDT dichloroddiphenyltrichloroethane is an Organochlorine. |
DDT which has the ability to become concentrated in the adipose fatty tissues of the body, has an estimated half-life of approximately 10 years; the term half-life indicates the time required for one half of the pesticide to be cleared from the body. Widespread use of DDT began during the early 1940s and reached a maximum during the 1960s. The various human health effects that have been linked to DDT include cancer, reproductive effects, and Impaired lactation, falling sperm counts, and impaired neurologic function. DDT was prohibited in 1972 in the US. Most developed nations banned the use of DDT; however, some countries still continue to use DDT. |
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Pyrethrins have a great ability to paralyze and kill? |
flying insects |
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used for Vietnam War as a defoliant to kill weeds and brush |
agent orange (2,4-D and 2,4,5-T) |
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pesticide exposure: who is at risk |
agricultural workers pets children livestock sensitive subpopulations such as pregnant women |
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the World Health Organization refers to dioxins as members of the? |
Dirty dozen club. the club consistent persistent organic chemicals (POPs), so named because of their tendency to remain in the environment. |
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Muzaffer Aksoy, a Turkish hematologist observed? |
that many patients afflicted with leukemia were shoemakers. At the time that he made this initial observation, benzene was used extensively in Turkey as a solvent in the manufacture of leather goods. Aksoy Reported a positive association between benzene exposure in leukemia on the basis of this epidemiologic research. His work led to the restriction in many countries of occupational benzene exposures, which now must be kept at negligible levels in the United States. |
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Pesticide |
any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating pasts. Pests can be insects, rodents, weeds, and a host of other unwanted organisms. they are divided according to their categories. |
