2,6-Dimethylnaphthalene, 50 µg/mL in Toluene, 1ml

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-94-7

2,2,3,3,4,4,5,5-Octachlorobiphenyl

Retene, 50mg