EPA Method 508A DCB Stock Solution Back Catalog number: 30020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684588 Propoxycarbazone sodium, 100 μg/ml in MeOH, 1ml Price on request 73313 Methyl-5,8,11,14,17-eicosapentaenoate (C20:5n-3) Price on request 3781.9-K-IO 2-Isobutyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-06-9 Price on request