EPA Method 508A DCB Stock Solution Back Catalog number: 30020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10415.4-K-ME Sodium DL-2-hydroxybutyrate-2,3,3-d3 Price on request 8481.22-K-AN Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request 9655.9-100-AN Terbufos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-, Cas.no. 13071-79-9 Price on request