4-n-Nonylphenol, 100 µg/ml, Methanol, 1ml

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

D12-Benzo[a]pyrene, 100 µg/ml, Cyclohexane, 1ml

Tris(2,4-di-tert-butylphenyl)phosphate, 100mg