EPA Method 8060 QC Check Solution

4,4'-Dichloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Multi-Element Sol.1, 10µg/mL in 5%HNO3 /H2O, 100ml

Fenbendazole-sulfone, 10mg