EPA Method 601 - Purgeables Mix #4 Back Catalog number: 40003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91508 Semi-Volatile Mix #2 - Phenols Price on request 0431.13-K-IO 3-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 643-93-6 Price on request 92686 Pesticide Mix #3 Price on request