Tri-m-tolyl phosphate , 1.2ml x 50ug/ml, toluene

2,3,3',4,5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Benzo[j]fluoranthene, 10µg/ml in Acetonitrile,10ml

Freshwater harbour sediment - PAHs, 40g