EPA 1620 Standard 3 Back Catalog number: 52141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3625.34-25-AN U{13C34}-Fumonisin B1, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 59297 Ferrous Iron Level 2 Price on request MDD-1278 1,2,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request