EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19137 EPA Method 507 - Performance Check Solution Price on request MPFDA-A Perfluoro-n-[1,2-13C2]decanoic acid (in acetonitrile), 1.2ml x 50ug/ml, acetonitrile Price on request BB-206 2,2',3,3',4,4',5,5',6-Nonabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request