... Bromkal 7 0-5 DE, a widely used European-produced Penta-BDE formulation They reported the major congeners 2,2 ′ ,4,4 ′ -tetra-BDE (BDE-47), 2,2 ′ -4 ,4 ′ ,5-penta-BDE (BDE-99), and 2,2′,4,4′,6-penta-BDE ... computers, televisions, and other electronic devices Hepta- and octa-congeners make up about ©2002 CRC Press LLC 70 to 80% of this formulation, with hexa-, nona-, and deca-congeners constituting ... lower burdens of lipophilic contaminants than more-fat-rich tissues such as liver BDE-47 concentrations surpassed those of 4,4′-DDE and PCB-1 53 in 29 and 58% of the samples, respectively The latter...