2,4-D, 100 µg/ml, Acetonitrile, 5ml

Pentachlorobenzene, 100 µg/ml, Cyclohexane, 1ml

Dibenzo-p-dioxin-d8,50 µg/mL,n-nonane,1mL,

2,3,6-Trichlorophenol-PFB derivative