EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11966.18-10MG Dextromethorphan hydrobromide monohydrate,neat,neat,10mg, Price on request C12119000 Delmadinone acetate, 100mg Price on request 2245.15-50-AN Deepoxy-deoxynivalenol, quantity corrected, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 88054-24-4 Price on request