Carbon tetrachloride, 1000µg/ml in MeOH, 1ml

4-n-Octylphenol-mono-ethoxylate, 1 µg/ml, Acetone

3-Nitrophenanthrene, 10µg/mL in Cyclohexane, 10ml

1,2-Dichloroethane, 100 µg/ml, Methanol, 5ml