EPA Method 551Mix “A” Back Catalog number: 30194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 6:6PFPI Sodium bis(perfluorohexyl)phosphinate, 50µg/ml in MeOH, 1,2ml Price on request 13600-0895-1000AN Bromoacetonitrile, 1000µg/ml in Acetonitrile, 5ml Price on request 66037 3,4,4'-Trichlorobiphenyl Price on request