Custom variation of Lake Michigan PBDEs Lake Michigam PBDEs + PBDE-183 and -209 11 components, each 100µg/mL in toluene 1961.12 2,4,4'-Tribromodiphenyl ether PBDE-28 1962.12 2,2',4,4'-Tetrabromodiphenyl ether PBDE-47 1964.12 2,3',4,4-Tetrabromodiphe