Ethidimuron, 10 µg/ml, Acetonitrile, 10ml

n-Tetracosane-d50, 1000µg/ml in IO, 1ml

n-Hexatriacontane, ?13C: -26.15, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 630-06-8

Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1719-03-5