Ethanol standard in serum,0.2g/L,serum, 1.5mL

5-Chloro-2-(2,4-dichloro[13C6]phenoxy)[13C6]phenol, 1.2ml x 50ug/ml, nonane

1-Ethoxy-2-propanol, certified, 0.25g

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