(1) Discharges of pollutants to ground waters may be granted a mixing zone by the department, provided the mixing zone is specifically identified and conforms with the requirements and procedures of ARM Title 17, chapter 30, subchapter 5.

(2) The board hereby adopts and incorporates by reference ARM Title 17, chapter 30, subchapter 5, which establishes requirements and procedures for the granting or denying of mixing zones by the department.