EPA Method 507/525 Analyte Mix #1 Back Catalog number: 30082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM127 3,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 59916 Anions Mix Price on request L-PFPRS Sodium perfluoro-1-propanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request