Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE

Perfluorododecanesulfonic acid, 50µg/ml in MeOH, 1ml

Aldicarb, 10 µg/ml, Acetonitrile, 10ml

2-Chlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39227-54-8