EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73686 2-Hydroxy-3-methylbutyric acid Price on request 675922 Pentachloroanisole, 10.0 µg/ml, Cyclohexane, 10m Price on request 2246.34-50-5MX Fumonisin B2, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 5mL, # of units-1, Cas.no. 116355-84-1 Price on request