PAH standard, 100µg/ml in methylene chloride, 1ml

Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml

Reference Gas Oil Sample Lot #2, 1ml

Ritalinic acid (threo), neat, Solvent-neat, Unit 200mg, # of units-1, Cas.no. 54631-24-2