Tefluthrin, 100 µg/ml, Ethyl acetate, 1ml

2,2',3,4',5,5',6-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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