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RED FACTS; MCPB

EPA 738-R-06-011
March 2006

All pesticides sold or distributed in the United States must be registered by EPA, based on scientific studies showing that they can be used without posing unreasonable risks to people or the environment. Because of advances in scientific knowledge, the law requires that pesticides first registered before November 1, 1984, be reregistered to ensure that they meet today's more stringent standards.

In evaluating pesticides for reregistration, EPA obtains and reviews a complete set of studies from pesticide producers that describe the human health and environmental effects of each pesticide. To implement provisions of the Food Quality Protection Act (FQPA) of 1996, EPA considers the special sensitivity of infants and children to pesticides, as well as aggregate exposure of the public to pesticide residues from all sources, and the cumulative effects of pesticides and other compounds with common mechanisms of toxicity. The Agency develops any mitigation measures or regulatory controls needed to effectively reduce each pesticide's risks. EPA then reregisters pesticides that meet current human health and safety standards and can be used without posing unreasonable risks to human health and the environment.

When a pesticide is eligible for reregistration, EPA explains the basis for its decision in a Reregistration Eligibility Decision (RED) document. This fact sheet summarizes the information in the RED document for the pesticide MCPB (4-(2-methyl-4-chlorophenoxy)butyric acid) and salts, case number2365.

Uses

Health Effects

Ecological Effects

Risks

Risk Mitigation

The following risk mitigation measures are required for MCPB to address risks of concern.

Regulatory Conclusion

EPA has determined that all supported uses of MCPB are eligible for reregistration, provided that registrants implement risk mitigation measures described in the RED and make required changes to product labeling and provided that additional data identified in Chapter V of the RED confirm this decision.

For More Information

Electronic copies of the MCPB RED and all supporting documents are available in Docket #EPA-HQ-OPP-2005-0263 at http://www.regulations.gov.

For more information about EPA's pesticide reregistration program, the MCPB RED, or reregistration of individual products containing MCPB, please contact the Special Review and Reregistration Division (7508C), Office of Pesticide Programs, US EPA, Washington, DC 20460, telephone 703-308-8000.

For information about the health effects of pesticides, or for assistance in recognizing and managing pesticide poisoning symptoms, please contact the National Pesticide Information Center (NPIC). Call toll-free 1-800-858-7378. The NPIC internet address is http://npic.orst.edu. Exit EPA disclaimer

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