Without regard to the notice and public hearing requirements of chapter 91, the board may adopt rules to make additions to or deletions from the lists required to be maintained in sections 150A-6.1 through 150A-6.3; provided that the board shall adopt rules pursuant to chapter 91 to establish methods to obtain public input and notify the public of additions to or deletions from the lists required under sections 150A-6.1 through 150A-6.3.