Clopyralid, 100µg/ml in Acetonitrile, 1ml

2H-Perfluoro-2-dodecenoic acid (10:2), 1.2ml x 50ug/ml, isopropanol

Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

9,10-Phenanthrenequinone,1000 µg/mL,toluene,1mL