Section 537.750 - Examination for license(1) The written examination required under ORS 537.747(3)(b) shall be prepared to test the applicant's knowledge and understanding of the following subjects:(a) Laws of the state pertaining to the appropriation and use of ground water, the licensing requirements of ORS 537.747 to 537.765, the construction of wells and the preparation and filing of well logs.(b) Rules of the Water Resources Commission pertaining to the appropriation and use of ground water, the construction of wells and the preparation and filing of well logs.(c) Basic information on ground water geology, the occurrence and movement of ground water, and the design, construction and development of wells.(d) Types, uses and maintenance of drilling tools and equipment, drilling problems and corrective procedures, repair of faulty wells, sealing of wells and safety rules and practices.(2) Examinations shall be given during the months of January, April, July and October. The date, time and place of the examination are to be established by the commission. The examination shall be given only to those applicants who have met the requirement set out in ORS 537.747(3)(a) and have paid the $20 examination fee. An applicant who fails to pass the examination by not attaining a grade of 70 or better may retake the examination after three months and the payment of another $20 examination fee. 1961 c.334 §3; 1981 c.416 §3; 1985 c.673 §67