Hexachlorobenzene

Picolinafen-d4 (4-fluorophenyl-d4),100 µg/mL,acetonitrile,1mL,

2,2’,4,4’,5,5’-Hexabromobiphenyl

2,2',3,3'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,