Pyroxsulam, 100 µg/ml, Acetonitrile, 1ml

Metrafenone, 10.0 µg/ml, Acetonitrile, 10ml

4-Chloro-2-methylaniline,100mg/mL,acetonitrile,1mL,

PCB No. 30, 10µg/ml in Isooctane, 10ml