Oxyfluorfen, 100 µg/ml, Acetonitrile, 1ml

Imidacloprid-d4 (imidazolidine-4,4,5,5-d4),100 µg/mL,acetonitrile,1mL,

2,3,3',4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Malachite green oxalate, 100µg/mL in Acetonitrile, 1ml