Prosulfocarb, 100µg/ml in Acetonitrile, 5ml

Pyroxsulam, 100 ng/µl, 1ml

Heneicosafluoroundecanoic acid, 100mg

Mass-Labelled Coplanar PCB Mixture, 10.0µg/mL in Nonane/8% toluene, 1,2ml