Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

2,4,5-T methyl ester

Sulfadiazine, 100 µg/ml, Methanol, 1ml

Sodium 1H,1H,2H,2H-perfluorooctylphosphate, 50µg/ml in MeOH, 1,2ml