alpha-BHC-13C6,100 µg/mL,n-nonane,1mL,

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

n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-59-4

1-Butyldecalin,500µg/mL,isooctane,1mL,