Calibration Standard Mix 4

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

Fluvoxamine maleate, 100mg

Chlortoluron-d6 (N,N-dimethyl-d6), 100µg/ml in MeOH, 1ml