2-[2-(Dimethylamino)ethoxy]ethanol. 25ml

1,2,3,4-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Perfluoro-n-[1,2-13C2]tetradecanoic acid, 50µg/ml in MeOH, 1,2ml

Folpet-d4, 100μg/ml in Acetone, 5ml