EPA Method 524.3 - Surrogate Standard Back Catalog number: 95489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-0823-100ME5 Oxcarbazepine, 100ug/ml, 5ml in MeOH Price on request 30070 EPA Method 502/524 Surrogate Standard #1 Price on request 673061 Chlorhexidine dihydrochloride, 250mg Price on request