Metoxuron, 100 µg/ml, Acetonitrile, 5ml

Sodium perfluoro-1-hexanesulfonate, 1.2ml x 50ug/ml, methanol

1,2,4-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2717-42-2

EPA Method 500 Series Internal Standard #5