Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

Propionitrile, 1000mg

Phosphamidon, 10 µg/ml, Cyclohexane, 10ml

2,2',3,3',4,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,