Freshwater harbour sediment - PAHs, 40g

Chloroparaffin C14-C17 57% Cl, 100μg/ml in Cyclohexane, 1ml

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

Sulfur, 500µg/g (0.0500 wt%) in Diesel Fuel, 100ml