Ethanol standard in serum,3.0g/L,serum, 3mL

2,3,3',4'-Tetrachlorobiphenyl (56)

n-Tricosane-d48, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 203784-75-2

2,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane