epsilon-HCH, 10µg/ml in Cyclohexane, 1ml

2,4-Dichlorophenol, 100 µg/ml, Acetonitrile, 5ml

Dicamba-desmethyl, 100 µg/ml, Acetone, 1ml

n-Hexadecane, 1000µg/mL in methylene chloride, 1ml