EPA Method 8020 Analytes Back Catalog number: 92152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 688439 Tylvalosin tartrate, 10mg Price on request 70956 Tokuthion Price on request DF-123789-S 1,2,3,7,8,9-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request