Aroclor 1232 in Transformer Oil

1,1,1,2-Tetrachloroethane, 1000 µg/ml, Methanol,

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),1000 µg/mL,MeOH,1mL,

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