EPA Method 601 - Purgeables Mix #1 Back Catalog number: 40001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674561 Clofentezine, 100mg Price on request 51136 Retention Time Verification Standard Price on request 2270.3-1.5X20 Acetone, neat, Solvent-neat, Unit 1.5mL, # of units-20, Cas.no. 67-64-1 Price on request