Any town or city may appoint an air pollution auxiliary monitor from among its full time employees provided that the employee must possess the education and experience required of the state, division of personnel class title “environmental quality technician”. The auxiliary monitor shall not be entitled to any additional compensation from the state. The auxiliary monitor may have other duties as the town or city deems necessary. Upon appointment, the auxiliary monitor shall be trained by the department of environmental management in recognizing, analyzing, and describing air pollution. Upon satisfactory completion of a required course of study, the auxiliary monitor shall be empowered to investigate complaints of air pollution within his or her town or city on behalf of the town or city and to present testimony or evidence regarding them to the department of environmental management in support of regulatory actions authorized under this chapter. That testimony or evidence shall be considered expert by the department of environmental management.