EPA Method 551Mix “A” Back Catalog number: 30194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675545 Chlorbufam, 100 µg/ml, Acetonitrile, 5ml Price on request 681525 Fenvalerate, 100 µg/ml, Acetonitrile, 5ml Price on request 66101 2,2’,4,5,5’-Pentachlorobiphenyl (101) Price on request