3-Hydroxybutyric acid, 100 µg/ml, Acetonitrile,

Purified asfalthenes from Venezuelan Oil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

EPA Method 8330 Analyte

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3