2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 50ug/ml, nonane Back Catalog number: CBP-2367 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 95276 PCB Mix 0.3 ppb Price on request 16130CSL Extended Calibration/Low Level Solution , 500uL, nonane Price on request X9019 Benzo(g,h,i)perylene Price on request