Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

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

EPA Method 515.3 - Underivatized acids

Sodium perfluorohexylperfluorooctylphosphinate, 1.2ml x 50ug/ml, methanol