EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54137 0.1M KH2PO4 Price on request 679107 4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Price on request 71115 Dimethachlor (Teridox), 1000µg/ml in MeOH, 1ml Price on request