EPA Method 604 - Phenols Standard Back Catalog number: 19092 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54158 Potassium (K) Price on request 680135 2,4-Dimethylaniline, 100 µg/ml, Acetonitrile, 5m Price on request 685316 D5-Homovanillic acid, 10mg Price on request