2,3’,4,4’-Tetrachlorobiphenyl (66) Back Catalog number: 66066 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71985 3-Ethoxy-1-propanol Price on request DFP-IS-B10 Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane Price on request 675415 Fenchlorphos-oxon, 100 µg/ml, Acetonitrile, 1ml Price on request