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EPA Issues Interim Guidance Concerning Antimicrobial Data Requirements
By Lisa M. Campbell and Lisa R. Burchi
On Thursday, April 30, 2015, the U.S. Environmental Protection Agency (EPA) issued interim guidance that it intends to clarify its toxicology data requirements for antimicrobial pesticides used on food contact surfaces. In addition, EPA issued a letter to antimicrobial registrants that EPA states is intended “to summarize how the Agency has been implementing 158W with respect to existing registered antimicrobial pesticides, as well as new and pending antimicrobial pesticide applications.”
The interim guidance is intended to satisfy a condition of the March 2, 2015, settlement agreement between EPA and the American Chemistry Council (ACC), which followed ACC’s July 2013 initiation of a legal challenge to the antimicrobial data requirements (subpart 158W of Title 40 of the Code of Federal Regulations) in the U.S. Court of Appeals in the District of Columbia. The settlement agreement is discussed here.
In the settlement, EPA agreed to issue, within 60 days of the Agreement becoming final, an interim guidance document explaining EPA’s interpretation of the 200 parts per billion (ppb) residue level above which additional toxicology testing would be required for indirect food uses.
The interim guidance states with regard to the 200 ppb standard:
EPA states that this interpretation is consistent with the U.S. Food and Drug Administration’s (FDA) policy. In general, if pesticide residues in food resulting from use on food contact surfaces are 200 ppb or less, EPA requires certain toxicology data. If residues are greater than 200 ppb, additional data may be required, depending on other conditions such as test results.
Also in the settlement, EPA agreed to propose, within four months of the Agreement becoming final, a guidance document entitled Antimicrobial Pesticide Use Site Index (USI), and provide a 30-day comment period. The USI guidance will provide descriptions of direct food uses, indirect foods uses, and nonfood uses. The letter states the following regarding its development of the USI guidance:
EPA’s letter also discusses the following regarding existing and pending antimicrobial pesticide applications:
The settlement agreement and additional documents are available at http://www2.epa.gov/pesticide-registration/epa-data-requirements-registration-antimicrobial-pesticides-part-158w#interim and www.regulations.gov in docket EPA-HQ-OPP-2008-0110. More information on antimicrobial policies and guidance is available here.