EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678487 Profenofos, 100 µg/ml, Acetonitrile, 5ml Price on request 59271 Anions Mix Price on request 673283 Fenazaquin, 100 µg/ml, Acetonitrile, 5ml Price on request