Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml

ISO 18857-1 4-n-Nonylphenol (ring13C6), Internal standard 1 ng/µL, in acetone, 5mL

8-Chloroperfluorooctylphosphonic acid, 50µg/ml in MeOH, 1,2ml

Ioxynil-octanoate, 100 µg/ml, Ethyl acetate, 1ml