Heptachlor endo-epoxide, 100 µg/ml, Ethyl acetate

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

1,2,8,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

D7-Malaoxon, 10.0 µg/ml, Cyclohexane, 1ml