[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

n-Tricosane, ?13C: -26.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 638-67-5

Fichtelite, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2221-95-6

Diheptyl phthalate (mixture of isomers), 1000mg