EPA Method 8060 QC Check Solution

Bis(2-methoxyethyl) phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-82-8

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml

D15-Fosetyl-aluminium, 10mg