PCB No. 167, 10µg/ml in Isooctane, 10ml

Triazophos, 100µg/ml in Cyclohexane, 5ml

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

2,2',3,3',4,5,5',6-Octachlorobiphenyl