EPA Method 632.1 Analytes Back Catalog number: 40047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-206 2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml Price on request G596952-1MG Glufosinate-d3 Hydrochloride, 1mg Price on request A15644950AL-100 Norethisterone, 100µg/mL in Acetonitrile, 1ml Price on request