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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...

The U.S. Environmental Protection Agency (EPA) issued an updated schedule for the Pesticide Registration Review program that sets forth a timetable for opening dockets for the next three years, through end of fiscal year 2017 (September 2017). Through the Pesticide Registration Review program, EPA reviews all registered pesticides at least every 15 years, as mandated by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). Following the newly issued schedule, all...

Spray drift and volatilization issues increasingly are significant issues in pesticide product risk assessments. Earlier this year, the U.S. Environmental Protection Agency (EPA) issued drafts of key guidance documents, which focused on issues that were key in the chlorpyrifos petition response, and more recently, at least one registration review decision that reflects current and still evolving EPA policy on spray drift and volatilization issues. How potential for spray drift and for...

Spray drift and volatilization issues increasingly are significant issues in pesticide product risk assessments. Earlier this year, the U.S. Environmental Protection Agency (EPA) issued drafts of key guidance documents, which focused on issues that were key in the chlorpyrifos petition response, and more recently, at least one registration review decision that reflects current and still evolving EPA policy on spray drift and volatilization issues. How potential for spray drift and for...

On July 7, 2014, the Natural Resources Defense Council (NRDC) filed with the U.S. Environmental Protection Agency (EPA) a petition requesting that EPA commence a Special Review for the neonicotinoid pesticides, including six specific active ingredients (dinotefuran, acetamiprid, clothianidin, thiacloprid, imidacloprid, and thiamethoxam), based on the risk that NRDC believes this class of compounds poses to honey bees and native bees. In the petition, NRDC alleges that neonicotinoids “may...