Butachlor, 100 µg/ml, Acetonitrile, 5ml

Phenkapton, 10 ng/µl, 1ml

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

Sodium perfluoro-1-pentanesulfonate, 1.2ml x 50ug/ml, methanol