Ethanol standard in serum,0.2g/L,serum, 3mL

O,O-Diethylhydrogenphosphate, 1000µg/ml in MeOH, 1ml

Fenamiphos, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml