Dinobuton, 100 µg/ml, Ethyl acetate, 5ml

Omethoate-d6 (O,O-dimethyl-d6),100 µg/mL,acetonitrile,1mL,

1,2,8,9-Tetrachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene

2-Aminoanthracene, 10.0 µg/ml, Cyclohexane, 10ml