Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

Benzoximate, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

2,2',4,4',5-Pentabromodiphenyl ether, 1.2ml x 50ug/ml, nonane