CA AB304

Restricts local officer oversight of remedial investigations and actions to sites not already being overseen by the Department of Toxic Substances Control or a regional water quality control board.

Requires local officers to notify the department and regional water quality control board at least 30 days before entering into a remedial action agreement, with those agencies having 30 days to assert oversight authority.

Mandates local officers conduct public notification at least 30 days before certifying cleanup completion, and requires posting of all remedial action agreements and completion documents in the state board's GeoTracker electronic data management system.

Expands the Underground Storage Tank Cleanup Fund to provide grants for cleanup costs when local officers or unified program agencies issue cleanup orders, provided responsible parties lack sufficient financial resources.

Exempts sites subject to corrective action orders or agreements from local officer oversight authority, designating such sites for state or regional agency jurisdiction.