Aqueous ethanol control EtOH AQ (1.5g/L), 10x1,5ml

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

D3-Triclosan (2,4-dichlorophenoxy D3), 100 µg/ml,

ISTD/Surrogate Standard