EPA Method 602 - Surrogate Standard Back Catalog number: 19097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30068 Internal standard 2, 2000g/ml in MeOH, 1ml Price on request 71986 trans-2-Hexene Price on request 673367 Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml Price on request