n-Dodecane-d26

Trioctyl trimellitate, 1000μg/ml in methylene chloride, 1ml

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

Ethanol 50mg/dL Standard (10 x 1mL)