Pirimiphos-methyl, 100 µg/ml, Ethyl acetate, 5ml

N-Butylbenzenesulfonamide, 250mg

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Pendimethalin, 100 µg/ml, Ethyl acetate, 5ml