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

2-Chlorodibenzofuran, 1.2ml x 50ug/ml, nonane

3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

LCPAH, varied ug/mL in Acetonitrile, 1ml