Tebuthiuron, 10 µg/ml, Acetonitrile, 10ml

Chlorpyrifos, 100µg/mL in MeOH, 1ml

Butachlor OA, 100 µg/ml, Acetonitrile, 1ml

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol