EPA Method 622/8140 - Analytes Back Catalog number: 93126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended R414608 Ribitol-1,2,3,4,5-13C5, 5mg Price on request C13213100 17-beta-Estradiol, certified, 0.25g Price on request 677099 Fenoxaprop-P, 10.0 µg/ml, Acetonitrile, 10ml Price on request