Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane

2,2',3,3',4,5,5',6,6'-Nonabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

Diethanolamine, 1ml