EPA Method 502.2 Internal Standard

Dutch seven F-PCBs mixture 7 components, each 10µg/mL in isooctane 2228.12 3'-F-PCB 28 2660.12 3-F-PCB 52 8353.12 3'-F-PCB-101 2865.12 5'-F-PCB 118 2871.12 5'-F-PCB 156 2746.12 3'-F-PCB 166 3730.12 5'-F-PCB 190

4,4'-Difluorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 457-68-1

Ethyl acetate, 5ml