2,3,4,4'-Tetrachlorobiphenyl (60) Back Catalog number: 63060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DTBP Tri-n-butyl phosphate-d27, 1.2ml x 50ug/ml, toluene Price on request 677684 Benz[a]anthracene, 100 µg/ml, Acetonitrile, 1ml Price on request EPA-1668CS3 Calibration Verification Solution, 500ul, nonane Price on request