PCB Congener Internal Standard Mix

Dichlofluanid, 10.0 µg/ml, Ethyl acetate, 10ml

4-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 491-35-0

2,3,4,6-Tetrachlorophenol, 100 µg/ml, Methanol,