No compensation shall be paid to said members, however mileage in the amount prescribed by Snohomish county as now or hereafter amended may be paid for expenses incurred as a result of participation in official meetings of the board. Board members may also be reimbursed for expenses incurred for attendance at meetings or seminars relative to alcoholism and/or drug abuse provided such expenditures are approved by the board and funds exist for such reimbursement. (Added by Ord. 87-061 § 2, July 29, 1987).