EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1138.18-K-IO n-Octadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-45-3 Price on request 93011 Stearic acid butyl ester Price on request 682385 Flunixin, 100 µg/ml, Acetonitrile, 1ml Price on request