In pursuance of Article IV. of the compact, there shall be three commissioners on The Great Lakes Commission (hereinafter called the Commission) from this Commonwealth. Each commissioner is hereby given all of the powers conferred on a commissioner by the compact or which shall be necessary or incidental to the performance of his functions as a commissioner. The Governor, with the advice and consent of the Senate, shall appoint three persons as commissioners, each of whom shall be a resident and citizen of this Commonwealth. The terms of one of the commissioners first appointed shall be two years and of the other two shall be four and six years, respectively. Their successors shall be appointed by the Governor, with the advice and consent of the Senate, for terms of six years each. Each commissioner shall hold office until his successor is appointed and qualified. A vacancy in the office of any commissioner for any reason shall be filled by appointment by the Governor, with the advice and consent of the Senate, for the unexpired term. The terms of each of the three initial commissioners shall begin on the date of appointment. Any commissioner may be removed from office by the Governor. The commissioners shall serve without compensation but shall be paid their actual expenses in and incidental to the performance of their duties as commissioners.