D6-Chlorpyrifos-methyl, 10mg

Bentazone-methyl, 100µg/ml in Acetonitrile, 5ml

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Flufenacet, 100µg/ml in Acetonitrile, 5ml