EPA Method 601Mix #2 Back Catalog number: 44002 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2545.14-250MG (+/-)Atenolol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 29122-68-7 Price on request 58067 Holmium (Ho) Price on request 14641.9-K-ME 4-Hydroxyamphetamine HCl, 1000µg/ml in MeOH, 1ml Price on request