Benzo(e)pyrene, 100µg/ml in Cyclohexane, 5ml

2-Perfluorohexyl-[1,2-13C2]-ethanol (6:2), 50µg/ml in MeOH, 1,2ml

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

Trichloroethene, 100 µg/ml, Methanol, 5ml