Mixture of Mineral Oils A+B without additives (1:1), neat, 1ml

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

12.880 µS/cm conductivity solution (230mL)

Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top