2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202)

Methamidophos D6, 10mg

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL,