EPA Method 8040A Analytes Mix “A” Back Catalog number: 80421 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58068 Erbium (Er) Price on request 56058 Cerium (Ce) Price on request 3851.13-K-IO (+/-)-Ibuprofen-d3, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121662-14-4 Price on request