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

Iohexol, 100 µg/ml in Acetonitrile, 5ml

4-tert-Butylphenyldiphenyl phosphate,50 µg/mL,toluene,1mL,

1,2,3,7,9-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane