A. The Council shall have a total membership of 27 members that shall consist of 21 nonlegislative citizen members and six ex officio members. Nonlegislative citizen members shall be appointed by the Governor. The Secretaries of Natural and Historic Resources, Commerce and Trade, Agriculture and Forestry, Health and Human Resources, Education, and Transportation, or their designees, including their agency representatives, shall serve ex officio with nonvoting privileges. Nonlegislative citizen members of the Council shall be residents of the Commonwealth and shall include representatives of (i) American Indian tribes, (ii) community-based organizations, (iii) the public health sector, (iv) nongovernmental organizations, (v) civil rights organizations, (vi) institutions of higher education, and (vii) communities impacted by an industrial, governmental, or commercial operation, program, or policy. Ex officio members of the Council shall serve terms coincident with their terms of office. Appointments to fill vacancies, other than by expiration of a term, shall be for the unexpired terms. Vacancies shall be filled in the same manner as the original appointments. After the initial staggering of terms, nonlegislative citizen members shall be appointed for a term of four years.