EPA Method 507/525 Analytes Mix #2 Rev.1 Back Catalog number: 31083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2715.9-50-ME Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-95-1 Price on request 10457.12-10MG 4,4'-Sulfonylbis(2,6-dibromophenol), techn. Price on request 0698.30-100-IO Hop-22(29)-ene (17ß(H),21ß(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1615-91-4 Price on request