Iomeprol, 100mg

EPA Method 537 Internal Standard Primary Dilution Standard (IS PDS), 1.2ml, methanol

3-Methyldibenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-52-3

2-Perfluorooctyl-[1,1-2H2]-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml