Calibration Standard Mix 4 Back Catalog number: 52013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678474 Clopyralid, 100 µg/ml, Acetone, 1ml Price on request 1134.14-K-IO n-Tetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-59-4 Price on request 52330 EPA Method 200.8 - Analytes Price on request