EPA Method 8270A Analytes Back Catalog number: 82706 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59579 Conductance @ 20°C [10 µmho/cm] Price on request 676956 Perfluorohexadecanoic acid, 100mg Price on request 680783 sec-Butylparaben, 100mg Price on request