EPA Method 551.1 Performance Check Sol’n Back Catalog number: 30115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673858 Acifluorfen, 100 µg/ml, Acetonitrile, 5ml Price on request 682248 3-Bromotoluene, 1000mg Price on request 95809 Pyridine as N Price on request