2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Back Catalog number: 63155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19219 TCLP - Herbicide Spiking Standard Price on request C12625000 Difethialone, 10mg Price on request 61311 Dichlorofluoromethane Price on request