Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml

Sulfaphenazole, 100 µg/ml, Methanol, 5ml

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Esfenvalerate, 100mg