EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 100031-1-100ML Mg, 1000 µg/mL in 2% HNO3, 100ml Price on request 50162 Metals Mix Price on request MA9069 5000 µS/cm calibration solution (230mL) Price on request