Ethanol standard in serum,0.3g/L,serum, 1.5mL

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

2,2',3,4,4',5,5',6-Octachlorobiphenyl,100 µg/mL,isooctane,1mL,

cis-Androsterone