Pyriprole, 100 µg/ml, Acetonitrile, 1ml

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

Citric acid [2% wt]

Ethanol standard in serum,1.1g/L,serum, 1.5mL