Pesticides are substances used to prevent, destroy, repel or mitigate any pest ranging from insects, animals and weeds to microorganisms such as fungi, molds, bacteria and viruses. EPA licenses or registers pesticides for use in strict accordance with label directions, based on review of scientific studies on the pesticide to determine that it will not pose unreasonable risks to human health or the environment. EPA is reviewing older pesticides to ensure that they meet current safety standards and is taking action to reduce risks where needed. For pesticides used on food, EPA sets limits on how much of a pesticide residue may remain in or on foods. EPA also sets standards to protect workers who may be exposed to pesticides on the job. EPA works to promote a safer means of pest control through research, public education, and public-private partnerships.
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