n-Hydrocarbons C10 to C32, C36

(-)-Cannabidiol, 10mg/ml in EtOH, 1ml

2,2',4,4',5,5'-Hexachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane

PCB No. 209, 100µg/ml in Cyclohexane, 5ml