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Pesticide regulation in the United States

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Through Environmental health, Pesticide and World War II

In 1970, President Richard Nixon created the EPA and shifted control of pesticide regulation from the US Department of Agriculture (USDA), the US Department of the Interior (DOI), and FDA to the newly created agency. By this time, public awareness of potential human health and environmental health effects had increased. In addition, some members of Congress began to express concerns about the adequacy of pesticide regulation. In 1972, the Federal Environmental Pesticides Control Act (FEPCA) required manufacturers of new pesticides to perform a variety of tests to prove that the pesticide did not have "unreasonable adverse effects" on human health or the environment.

Current law requires the EPA to consider the "ingredients of the pesticide; the particular site or crop on which it is to be used; the amount, frequency, and timing of its use; and storage and disposal practices." The EPA looks at what the potential human health and environmental effects might be associated with the use of the pesticide. The company that wishes to register the pesticide must provide data from various test that are done using EPA guidelines. These tests include: acute toxicity test (short-term toxicity test) and chronic toxicity test (long-term toxicity test). These tests evaluate: whether the pesticide has the potential to cause adverse effects (including cancer and reproductive system disorders) on humans, wildlife, fish, and plants, including endangered species and non-target organisms; and possible contamination of surface water or ground water from leaching, runoff, and spray drift. The registration process can take upwards of 6 to 9 years, and the cost of registration for a single pesticide is in the range of millions of dollars.

Background

In most countries, pesticides must be approved for sale and use by a government agency. In the US, EPA is responsible for regulating pesticides under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and the Food Quality Protection Act (FQPA). Studies must be conducted to establish the conditions in which the material is safe to use and the effectiveness against the intended pest(s). The EPA regulates pesticides to ensure that these products do not pose adverse effects to humans or the environment. Pesticides produced before November 1984 continue to be reassessed in order to meet the current scientific and regulatory standards. All registered pesticides are reviewed every 15 years to ensure they meet the proper standards. During the registration process, a label is created. The label contains directions for proper use of the material in addition to safety restrictions. Based on acute toxicity, pesticides are assigned to a Toxicity Class.

Some pesticides are considered too hazardous for sale to the general public and are designated restricted use pesticides. Only certified applicators, who have passed an exam, may purchase or supervise the application of restricted use pesticides. Records of sales and use are required to be maintained and may be audited by government agencies charged with the enforcement of pesticide regulations. These records must be made available to employees and state or territorial environmental regulatory agencies.

The EPA regulates pesticides under two main acts, both of which were amended by the Food Quality Protection Act of 1996. In addition to the EPA, USDA and FDA set standards for the level of pesticide residue that is allowed on or in crops The EPA looks at what the potential human health and environmental effects might be associated with the use of the pesticide.

Additionally, EPA uses the National Research Council's four-step process for human health risk assessment: (1) Hazard Identification, (2) Dose-Response Assessment, (3) Exposure Assessment, and (4) Risk Characterization.

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