CA AB1747

Requires lead agencies to determine whether residential, retail, or commercial development projects that would preclude or substantially impede mineral extraction in areas classified by the State Geologist as containing mineral deposits of statewide or regional significance may have significant environmental effects, including air quality impacts.

Applies to lands in areas designated by the State Geologist pursuant to Section 2761 as containing mineral deposits of statewide or regional significance.

Creates a state-mandated local program, requiring reimbursement to local agencies and school districts for compliance costs pursuant to Part 7 (commencing with Section 17500) of Division 4 of Title 2 of the Government Code if the Commission on State Mandates determines costs are mandated by the state.

Adds Section 21084.2 to the Public Resources Code to implement these environmental review requirements under the California Environmental Quality Act (CEQA).