The areas of concern reqarding the storage of high level radioactive at Diablo Canyon include terrorism, seismic, transportation, emergency planning, and the safety of the proposed dry cask storage system.

The San Luis Obispo Mothers for Peace have received the support in their intervention in PG&E's license application to triple the amount of High Level Radioactive Waste on our coastline from the California Attorney General, Senator Diane Feinstein, and from a group of twenty-seven state Attorneys General.