EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9279.23-25MG Pravastatin sodium, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 81131-70-6 Price on request 2543.20-K-ME Amitriptyline hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 549-18-8 Price on request 90801 Methyl methacrylate Price on request