Fensulfothion, 100 µg/ml, Acetonitrile, 5ml

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

2,4-D 13C6, 100µg/ml in Acetone, 1ml

Dichlorprop-glucoside, 5mg