EPA Method 551.1 Performance Check Sol’n Back Catalog number: 30115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2244.34-50-MX Fumonisin B1, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 1mL, # of units-1, Cas.no. 116355-83-0 Price on request 58273 Tantalum (Ta) Price on request 1531.22-K-TX10 Indeno[1,2,3-cd]pyrene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203578-33-0 Price on request