PCB Congener Mix #4

3,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-50-4

N-methylperfluoro-1-butanesulfonamide, 1.2ml x 50ug/ml, methanol

2,3-Dichloro-1-propanol, neat, Solvent-neat, Unit 1ml, # of units-1, Cas.no. 616-23-9