The department shall require the demonstration of proficiency in the performance of the tests offered by laboratories subject to licensure or the provisions of this paragraph through successful participation in a proficiency testing program acceptable to the department covering all categories or subcategories in which testing is offered. Evaluated copies of results shall be forwarded to the department. [1993, c. 600, Pt. B, §10(AMD).]
22 M.R.S. § 2025