EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2869.12-100-IO 3'-Fluoro-2,3,5,6-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33284-54-7 Price on request 50585 pH 1.0 Standard @ 25°C Price on request 59582 ICP-MS Mix #2 (Parent) Price on request