Methylparaben, 100 µg/ml, Acetonitrile, 5ml

Hexachlorobenzene,10 µg/mL,cyclohexane,1mL,

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane

Prometryn, 100μg/mL in Acetonitrile, 1ml