Aqueous Ethanol Standard (1,5g/l), 10 x 1,2ml

2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

BHC (delta isomer-13C6), 100µg/ml in Nonane, 1,2ml

D15-Triethanolamine, 10mg