PCB Congener Mix #4

Citric acid [0.2% wt]

2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile,

2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4