For bream caught west of the bridge the recommended consumption level is zero. Fort bream caught east of the bridge its 150gms per month. Bream have one of the lowest consumption levels of the fish surveyed. Almost all other fish have much higher consumption levels.
Dioxins is a very toxic group of chemicals. It came from the Union Carbide factory at Homebush, where among other things, they manufactured Agent Orange used in the Vietnam war.