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The manufacturing process resulted in groundwater and surface soil contamination on and near the Montrose plant property. Estimates of discharged DDT range from 800 to 1000 tons, between the late 1950s and the early 1970s. Montrose, in addition to dumping DDT, also dumped sulfuric acid, which was a byproduct of the DDT manufacturing process.
The Montrose Chemical Corporation of California was a chemical corporation that was the largest producer of the insecticide DDT in the United States from 1947 until it stopped production in 1982. [1] The president of Montrose was Pincus Rothberg before 1968, then Samuel Rotrosen thereafter.
Pesticide bags in Fresno, California during May of 1972 read 'You get results with Best Chemicals'. The use of DDT in the United States was banned in 1972, except for a limited exemption for public health uses. Public concern about the usage of DDT was largely influenced by the book, Silent Spring, written by Rachel Carson. [9]
In its fight against invasive aquatic plants in the Sacramento-San Joaquin River Delta, the California State Parks’ Division of Boating and Waterways says it will begin a regiment of herbicide ...
DDT is similar in structure to the insecticide methoxychlor and the acaricide dicofol. It is highly hydrophobic and nearly insoluble in water but has good solubility in most organic solvents, fats and oils. DDT does not occur naturally and is synthesised by consecutive Friedel–Crafts reactions between chloral (CCl 3 CHO) and two equivalents ...
repels insects and rabbits [2] Myrrh: repels insects [5] Narcissus: repel moles [3] Nasturtiums: repel squash bugs, [2] aphids (though there is conflicting information with some sources stating it attracts aphids), [10] many beetles, and the cabbage looper [3] Onion: repels rabbits, the cabbage looper, and the Small White [3] Oregano: repellent ...
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DDT has also been known to kill beneficial insects, such as wasps that kill caterpillars that, unchecked, destroy thatched roofs. [14] As a result, Mozambique's chief of infectious disease control, Avertino Barreto, says that resistance to DDT spraying is "homegrown", not due to "pressure from environmentalists". "They only want us to use DDT ...
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