EPA Method 8060 QC Check Solution

n-Octadecane, ?13C: -30.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 593-45-3

n-Undecanaldehyde-DNPH, 100µg/ml in Acetonitrile, 5ml

Perfluoro-n-[1,2,3,4,5,6-13C6]decanoic acid, 50µg/ml in MeOH, 1,2ml