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

n-Tridecane-d28, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 121578-12-9

4,4'-DDD (=TDE), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-54-8

Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules