Fonofos, 10 µg/ml, Ethyl acetate, 10ml

Tepraloxydim Metabolite OH-GP, 100 µg/ml, Acetoni

N-Nitrosopiperidine, 100µg/ml in MeOH, 5ml

6-Methylchrysene, 10.0 µg/ml, Acetonitrile, 10ml