PAH - Mix 18, 50µg/ml in Acetonitrile, 5ml

Mecoprop, 100 µg/ml, Acetonitrile, 5ml

1,1,1,2-Tetrachloroethane, 2000µg/ml in MeOH, 1ml

Dimetridazole-d3 (N-methyl-d3),100 µg/mL,MeOH,1mL,