(1) The board shall make available to all persons a current index which provides identifying information for records which have been issued, adopted, or promulgated, as follows:

(a) Those statements of policy and interpretations of policy, statute, and the constitution which have been adopted by the board;

(b) Administrative staff manuals and instructions to staff that affect any member of the public;

(c) Board planning policies and goals, and interim and final planning decisions;

(d) Staff, consultant, and scientific reports and studies and any other factual information derived from tests, studies, reports, or surveys, whether conducted by public employees or others; and

(e) Correspondence and materials referred to therein relating to any regulations, supervisory, or enforcement responsibilities of the board.

(2) The current index promulgated by the board shall be available for inspection by all persons under the same rules and on the same conditions as are applied to public records available for inspection.