TY - RPRT TI - Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group--Determination of dissolved isoxaflutole and its sequential degradation products, diketonitrile and benzoic acid, in water using solid-phase extraction and liquid chromatography/tandem mass spectrometry AU - Michael T. Meyer AU - Edward A. Lee AU - Elisabeth A. Scribner PY - 2007 DO - 10.3133/tm5a9 UR - https://pubs.usgs.gov/publication/tm5A9 ID - tm5A9 ER -