EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679249 Isoxaben, 100mg Price on request 10619.15-100-ME Metolachlor ethyl sulphonic acid sodium salt, 100µg/ml in MeOH, 1ml Price on request 678516 Tricyclazole, 100 µg/ml, Acetonitrile, 1ml Price on request