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Bruce Nathan Ames (December 16, 1928 – October 5, 2024) was an American biochemist who was a professor of biochemistry and Molecular Biology Emeritus at the University of California, Berkeley, and was a senior scientist at Children's Hospital Oakland Research Institute (CHORI). [2]
Ames test procedure. The Ames test is a widely employed method that uses bacteria to test whether a given chemical can cause mutations in the DNA of the test organism. More formally, it is a biological assay to assess the mutagenic potential of chemical compounds. [1]
The Pesticide Data Program, [23] a program started by the United States Department of Agriculture is the largest tester of pesticide residues on food sold in the United States. It began in 1991 and tests food for the presence of various pesticides and if they exceed EPA tolerance levels for samples collected close to the point of consumption.
The Arkansas Department of Energy and Environment is a cabinet level agency in the executive branch of Arkansas government responsible for implementation of the rules and regulations regarding the management of natural resources and protecting the environment of the state.
The program has enabled cotton farmers to reduce their use of pesticides by between 40-100%, and increase their yields by at least 10%, since its inception in the 1970s. By the autumn of 2009, eradication was finished in all US cotton regions with the exception of less than one million acres still under treatment in Texas.
The level III ecoregions in Arkansas are the South Central Plains (35), Ouachita Mountains (36), Arkansas Valley (37), Boston Mountains (38), Ozark Highlands (39), Mississippi Alluvial Plain (73), Mississippi Valley Loess Plains (74). (Compare to map of Level IV ecoregions.)
The Environmental Protection Agency announced on March 1, 1991, that it was investigating Craven Laboratories for "allegedly falsifying test data used by chemical firms to win EPA approval of pesticides."
The White Rock Wildlife Management Area (WMA) was designated in 1976 as 280,000 acres (110,000 ha) of protected area within the boundaries of the Ozark National Forest.The WMA is owned by the U. S. Forest Service and managed under the provisions of a Memorandum of Understanding by the Arkansas Game and Fish Commission, and is situated in the Boston Mountains of Northwest Arkansas.