2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 66056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93678 EPA Method 8270 Additional Analytes Price on request 50776 Custom Anions Mix Price on request 11002.36-10MG DOTE,neat,neat,10mg, Price on request