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

2,2-Bis(4-hydroxy-13C6-phenyl)propane, 1.2ml x 50ug/ml, methanol

Aqueous Ethanol Standard (3,0g/l), 10 x 1,2ml

1,2,4-Trichlorobenzene