EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MET-11754A-25MG Dimethachlor ESA sodium salt, 25mg Price on request 50740 Custom Mix Price on request D460284 Dimethachlor ESA Sodium Salt-d6, 1mg Price on request