EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72274 (+)-gamma-Tocopherol Price on request 684388 Cyflumetofen Metabolite AB-1, 100µg/ml in A, 1ml Price on request 30070 EPA Method 502/524 Surrogate Standard #1 Price on request