EPA Method 601 - Purgeables Mix #4 Back Catalog number: 40003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673932 Fipronil-sulfide, 10.0 µg/ml, Acetonitrile, 10ml Price on request DFP-LCS-B20 Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request 92866 Volatile Standard Price on request