From the OEHHA:
The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency announces the publication of the final technical support document for the Public Health Goal (PHG) for bromate in drinking water. The PHG is established at 0.1 ppb, based on carcinogenic effects.
Download the announcement here: Final Public Health Goal for Bromate in Drinking Water
Click on the links for more information.