2,3,3',4',5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Potassium perfluoro-1-butanesulfonate, 1.2ml x 50ug/ml, methanol

1,1,1,3,6,8,8,8-Octachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 61856-19-7

4-Bromo-2,3,7,8-tetrachlorodibenzofuran, 1.2ml x 50ug/ml, toluene