Fenvalerate, 100 µg/ml, Acetonitrile, 5ml

Quinmerac metabolite BH 518-2, 10mg

2,3,4,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Sulfamethoxypyridazine, 100 µg/ml, Methanol, 1ml