2,2',5,5'-Tetrachlorobiphenyl:MCnc:Pt:Ser/Plas:Qn:Confirm
2,2',5,5'-tetrachlorobiphenyl:mcnc:pt:ser/plas:qn:confirm
2,2',5,5'-Tetrachlorobiphenyl (PCB) Confirm [Mass/Vol]
2,2',5,5'-tetrachlorobiphenyl (pcb) confirm [mass/vol]