EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66125 2',3,4,5,6'-Pentachlorobiphenyl Price on request 53114 ICP-MS Interference Check Solution A Price on request 3752.10-50-IO 1,2,3,4-Tetrachloro-1,2,3,4-tetrahydronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request