EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79430 Alachlor Price on request 683847 Fenfuram, 100 µg/ml, Acetonitrile, 5ml Price on request 66132 2,2',3,3',4,6'-Hexachlorobiphenyl (132) Price on request