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  2. Roundup (herbicide) - Wikipedia

    en.wikipedia.org/wiki/Roundup_(herbicide)

    The EPA has evaluated the carcinogenic potential of glyphosate multiple times since 1986. In 1986, glyphosate was initially classified as Group C: "Possible Human Carcinogen", but later recommended as Group D: "Not Classifiable as to Human Carcinogenicity" due to lack of statistical significance in previously examined rat tumor studies. In 1991 ...

  3. Glyphosate-based herbicides - Wikipedia

    en.wikipedia.org/wiki/Glyphosate-based_herbicides

    During the course of litigation in 2015, the EPA found out that Dow had told the United States Patent and Trademark Office that Enlist Duo offers "synergistic herbicidal weed control", and requested additional clarification about the "synergistic effects" and sought to reverse its approval pending a full review of the new information provided ...

  4. Dicamba - Wikipedia

    en.wikipedia.org/wiki/Dicamba

    Dicamba use in the US in 2019. Usage has substantially increased since dicamba was approved for use over dicamba-resistant GMO crops in 2016. Dicamba is a selective and systemic herbicide that kills annual and perennial broadleaf weeds. [10] Its primary commercial applications are weed control for grain crops and turf areas.

  5. Rare emergency order issued to stop use of weed killer that ...

    www.aol.com/news/epa-bans-dacthal-common-weed...

    The EPA considered much of the data submitted by the company from 2013 to 2021 to be insufficient, and found that a required study looking into the weed killer's effects on thyroid development ...

  6. EPA issues emergency ban of weedkiller Dacthal, citing risks ...

    www.aol.com/epa-issues-emergency-ban-weedkiller...

    The US Environmental Protection Agency has issued an emergency suspension of the common weedkiller DCPA, also known as Dacthal, it said Tuesday, the first time the agency has used its emergency ...

  7. Glyphosate - Wikipedia

    en.wikipedia.org/wiki/Glyphosate

    Landscaping company in Oklahoma applying a weed control product that contains glyphosate. Glyphosate has four ionizable sites, with pKa values of 2.0, 2.6, 5.6 and 10.6. [83] Therefore, it is a zwitterion in aqueous solutions and is expected to exist almost entirely in zwitterionic forms in the environment.

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