EPA Method 531.1 - Performance Check Solution

Flumioxazin Metabolite 482-HA, 10mg

Sodium perfluoroethanesulfonate, 50µg/ml in MeOH, 1,2ml

Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7