[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Etridiazole, 100 µg/ml, Acetonitrile, 5ml

8-Bromo-2,3,4-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

1,2,4,5,6-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane