PCB No. 126, 10µg/ml in Isooctane, 10ml

1,2,3-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Oxadixyl, 100 µg/ml, Acetonitrile, 5ml

Sodium 1H,1H,2H,2H-perfluorooctane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml