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  2. Pesticide regulation in the United States - Wikipedia

    en.wikipedia.org/wiki/Pesticide_regulation_in...

    States receive their pesticide regulation authority through FIFRA and through state pesticide laws. States can require registration of pesticides that are exempt under FIFRA. When there is a special local need for a particular pesticide, states are authorized to add uses to that pesticide under section 24(c) of FIFRA.

  3. Ames National Laboratory - Wikipedia

    en.wikipedia.org/wiki/Ames_National_Laboratory

    He was Iowa State's second member of the National Academy of Sciences and the first director of the Ames Laboratory. Dr. Spedding won the Langmuir Award in 1933, Only Oscar K. Rice and Linus Pauling preceded him in this achievement. The award is now called the Award in Pure Chemistry of the American Chemical Society. He was the first ...

  4. United States Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/United_States...

    A few challenges this program faces are transforming toxicity testing, screening pesticides for endocrine disruptors, and regulating biotechnology and nanotechnology. [24] TSCA required EPA to create and maintain a national inventory of all existing chemicals in U.S. commerce. When the act was passed in 1976, there were more than 60,000 ...

  5. Ames test - Wikipedia

    en.wikipedia.org/wiki/Ames_test

    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]

  6. Pesticides in the United States - Wikipedia

    en.wikipedia.org/.../Pesticides_in_the_United_States

    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.

  7. With hundreds of schools near Iowa farm fields, should ...

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  8. Bruce Ames - Wikipedia

    en.wikipedia.org/wiki/Bruce_Ames

    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]

  9. Nevada County, Arkansas - Wikipedia

    en.wikipedia.org/wiki/Nevada_County,_Arkansas

    Nevada County (/ n ə ˈ v eɪ. d ə / nə-VAY-də) is a county located in the southwestern part of the U.S. state of Arkansas. As of the 2020 Census , the population was 8,310, less than half of its peak in 1920. [ 1 ]