2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

1,1-Bis(4-hydroxyphenyl)cyclohexane, 1.2ml x 50ug/ml, methanol

Diclobutrazol, 10 µg/ml, Ethyl acetate, 10ml

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene