On August 23, the California Water Resources Control Board updated guidelines for the state’s water agencies to follow in detecting and reporting PFOA and PFOS in drinking water. The updated guidelines lower the notification levels from 14 parts per trillion (ppt) to 5.1 ppt for PFOA and from 13 ppt to 6.5 ppt for PFOS. The guidelines are based on health recommendations by the California Environmental Protection Agency’s Office of Environmental Health and Hazard Assessment, and are part of a larger effort to assess the scope of PFAS-contaminated drinking water throughout the state.
The board also announced that it has begun the process of establishing regulatory standards for PFOA and PFOS.
For more information, see here.