Chlorotoluron-desmethyl, 100mg

1,2,3,5,6,7-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Metazachlor, certified, 0.1g

beta-Zearalenol, 10.0 µg/ml, Acetonitrile, 1ml