n-Tetracontane, ?13C: -27.05, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 4181-95-7

Ethanol standard in serum,0.3g/L,serum, 1.5mL

Tadalafil, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 171596-29-5

EPA O-FID Quantitative Calibration Mixes (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x10mL one of each Std. Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5