Ametryn, 100 µg/ml, Acetonitrile, 5ml

Sodium 1H,1H,2H,2H-[1,2-13C2]perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol

Ethylene oxide (2mg/mL)

Benzo[j]fluoranthene, 200µg/ml in Toluene, 1ml