Foramsulfuron, 100 µg/ml, Acetonitrile, 5ml

2,3,3',4',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

3-Chloropropionitrile

Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml