EPA Method 548 Calibration Solution

n-Eicosane-d42, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 62369-67-9

3,3',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25570-02-9

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