Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules

1,2,3,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

n-Docosane, ?13C: -30.35, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-97-0

Perfluoro-n-tetradecanoic acid, 1.2ml x 50ug/ml, methanol