Esomeprazole magnesium trihydrate, 50mg

EPA Method 502/524 High Conc VOC Mix #7, 2000µg/ml in MeOH,1ml

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

6-Methylchrysene, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1705-85-7