Chlorfenvinphos, 100 ng/µl, 1ml

2-Methylfluoranthene, 100µg/ml in Acetonitrile,5ml

2,2'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate,50 µg/mL,MeOH,1mL,