EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681211 2-Methylbutyraldehyde, 250mg Price on request 95842 1,2,4-Butanetriol, 1mg/ml in pyridine, 5 x 20ml Price on request 682028 Deoxynivalenol, 100 µg/ml, Acetonitrile, 1ml Price on request