(a) The Board shall send a copy of the petition to the regulatory agency overseeing corrective action at the site and notify the agency that the record relative to the case and any agency response to the petition must be received by the Board within 20 days of the date of the letter of notification. The regulatory agency overseeing corrective action at the site will also be notified that a list of persons, if any, known by the regulatory agency to have an interest in the subject matter of the petition must be received by the Board within 10 days of the date of the letter of notification.

(b) Upon receipt of a list of interested persons, the Board will notify those persons, the current site owner, the owners of adjacent property, and the appropriate regional board if it has not already been notified as the regulatory agency overseeing corrective action at the site, that any response to the petition by an interested person must be received by the Board within 20 days of the date of the letter of notification.

(c) The regulatory agency shall send a copy of its response, if any, to the petitioner. All other respondents shall send copies of their responses to the petitioner and the regulatory agency. The deadline for filing a response to the petition or submitting the record may be extended by the Board.

(d) Following review of the petition, the record, and all responses to the petition, the Board may:

(e) Before taking action, the Board may, at its discretion, hold a hearing; or the Board may provide for an informal meeting between the petitioner, the Division staff, an appropriate representative of the regulatory agency, a member of the Board, and such other persons as the Board deems appropriate for the purpose of attempting to resolve the dispute.

(f) If an evidentiary hearing is held, it shall be conducted in accordance with the California Code of Regulations, title 23, division 3, chapter 1.5, article 2.