D6-alpha-HCH, 100 µg/ml, Cyclohexane, 1ml

Sodium 1H,1H,2H,2H-perfluorododecane sulfonate (10:2), 50µg/ml in MeOH, 1,2ml

Monocrotophos, 100 µg/ml, Acetonitrile, 5ml

Chloroparaffin C18-C20 36 % Cl, 100 µg/ml in CY, 10ml