EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0568.30-10MG Friedelin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 559-74-0 Price on request DF-234678-S 2,3,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request FHEA 2-Perfluorohexyl ethanoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml Price on request