1,2,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

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

Phenols Mix 2

4-tert-Amylphenol, certified, 0.25g