Funds appropriated from the general revenue fund and other sources for technical assistance may be used by the state board to reimburse districts for salaries or wages paid to technical personnel of a district for performing or being trained to perform those duties included in §519.7(a) of this title (relating to Eligible Expenditures), and for other purposes specifically approved by the state board as provided for in §519.7(b) of this title (relating to Eligible Expenditures).