OPINION — AG — THE OKLAHOMA STATE DEPARTMENT OF HEALTH MAY NOT LAWFULLY IMPOSE UPON THE OKLAHOMA WATER RESOURCES BOARD A FEE FOR PROVIDING NON CONTRACTUAL WATER QUALITY LABORATORY SERVICES PURSUANT TO SENATE BILL NO. 76, SENATE BILL NO. 93 (WATER QUALITY, PUBLIC HEALTH, ADMINISTRATIVE LAW) (WILLIAM W. GORDEN JR)