Isoproturon, 1000µg/ml in MeOH, 1ml

Epichlorhydrin, 100µg/ml in Acetonitrile, 5ml

Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top

1,2,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, toluene