Buturon, 100 µg/ml, Acetonitrile, 5ml

Prometryn, 100 µg/ml, Acetonitrile, 1ml

2,3,3',4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

1,2,3,4-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene