IR-4 has received a request for the minor use of clethodim on beans (snap) for control of annual and/or perennial grass weeds. To establish this tolerance, it is required that the magnitude of the residue in or on the commodity be determined as per EPA Guidelines 171-4 and Subdivision 0. The purpose of this study is to collect and analyze treated and untreated residue samples from appropriate field sites according to the application parameters requested to provide the sponsor with residue chemistry data to support a pesticide tolerance. To determine the magnitude of residues of total clethodim in or on beans (snap), this protocol will be employed using appropriate SOP's and conducted under provisions outlined in 40 CFR Part 160 (IN ACCORDANCE WITH EPA's GOOD LABORATORY PRACTICE STANDARDS).
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