OPINION — AG — THE CHAIRMAN AND MEMBERS OF THE STATE SOIL CONSERVATION BOARD ARE ENTITLED TO RECEIVE REIMBURSEMENT (PER DIEM) " FOR ACTUAL TRAVELING EXPENSES NECESSARILY INCURRED IN THE PERFORMANCE OF THE STATUTORY DUTIES OF THE BOARD " BEYOND THE FIFTY(50) DAY PERIOD MENTIONED. CITE: 74 O.S.H. 500.1 THRU 74 O.S.H. 500.14 (FRED HANSEN)