EPA Method 8330 Analyte Back Catalog number: 79082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-234678-S 2,3,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 54187 Sodium Butyrate (C3H7COOH) Price on request 675731 Trichloronate, 100 µg/ml, Ethyl acetate, 5ml Price on request