Each member of the board shall be a citizen of the United States. Five members shall be registered under this chapter. One member shall be licensed under the Professional Land Surveyors’ Act, Chapter 15 (commencing with Section 8700), one member shall be licensed under the Geologist and Geophysicist Act, Chapter 12.5 (commencing with Section 7800), and eight shall be public members who are not registered under this act, licensed under the Geologist and Geophysicist Act, or licensed under the Professional Land Surveyors’ Act. Each member, except the public members, shall have at least 12 years active experience and shall be of good standing in his or her profession. Each member shall be at least 30 years of age, and shall have been a resident of this state for at least five years immediately preceding his or
her appointment.