Calibration Standard Mix 3

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Sodium p-n-undecylbenzenesulfonate, 100µg/mL in MeOH, 1ml

1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml