Compensation. Payment, §10-1-145. Duties, §10-1-142. Expenses. Payment, §10-1-145. Interest in sale or manufacture of gasoline, §10-1-166. Vacancies in office, §10-1-147. Substandard gasoline and kerosene sales, §10-1-151. Substitutes, §10-1-162. Approval, §10-1-150. Violations, §10-1-163. Testing samples of petroleum products, §10-1-157. Used lubricating oils or lubricants, §10-1-162. Violations, §10-1-163.