(a) For the purposes of implementing and enforcing this Act, the Department shall set comparable quality standards for each of the grades of newsprint available from all suppliers of newsprint to determine the comparable quality of recycled content newsprint to virgin material. The standards shall be based on the average numerical standards of printing opacity, brightness level, and cross machine tear strength.
     (b) The Department shall review its standards at least once every 2 years and determine whether they should be adjusted to reflect changes in industry standards and practices, and if so, the Department shall set new standards.