Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,

2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

1,2,4,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Sulfotepp