Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol

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

3,5-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1964-45-0

Method 429 Surrogate Standard, 100µg/ml in Isooctane/10% toluene, 1,2ml