Ametryn, 10.0 µg/ml, Acetonitrile, 10ml

Metolachlor-ESA, 100µg/ml in Acetonitrile, 1ml

Di-n-butyl phthalate, >99%, 25g

2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,