EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12563.9-100-ME Epinephrine-d3, 100µg/ml in MeOH, 1ml Price on request 58074 Tungsten (W) Price on request 71024 3-Methyl-1-butanol Price on request