Isoxaflutole, 100 µg/ml, Acetonitrile, 5ml

2-Methyl-5-nitroaniline, 100 µg/ml, Acetonitrile,

Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

Tri-o-tolyl phosphate, 1.2ml x 50ug/ml, toluene