Prosulfuron, 100 µg/ml, Acetonitrile, 5ml

2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol,

Malaoxon, 10.0 µg/ml, Cyclohexane, 10ml

Pentachlorobenzene,100 µg/mL,cyclohexane,1mL,