EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677481 4-Phenoxyphenol, 100mg Price on request 675642 Propaquizafop, 100 µg/ml, Ethyl acetate, 5ml Price on request 674880 Leucomalachite green, 100mg Price on request