EPA Method 601 - Purgeables Mix #4 Back Catalog number: 40003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57711 Sodium (Na) Price on request 1243.8-K-ME 2-Methylheptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 592-27-8 Price on request 9346.11-100-ME Phenazone-d3 (N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 65566-62-3 Price on request