EPA Method 515.1 / 8151A - Analytes Back Catalog number: 30072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8483.19-100-ME Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7 Price on request 2456.7-K-IP 2,4-Dichloro-6-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 37138-82-2 Price on request 675852 Silthiofam, 25mg Price on request