EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683862 Pizotifen, 10mg Price on request 2246.34-50-MX Fumonisin B2, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 1mL, # of units-1, Cas.no. 116355-84-1 Price on request 679824 Trimethoprim, 100 µg/ml, Methanol, 1ml Price on request