(c) "Recycled paper product" means all paper and woodpulp products containing postconsumer and secondary materials. "Postconsumer material" means a finished material that would normally be disposed of as a solid waste, having completed its life cycle as a consumer item. "Secondary material" means fragments of finished products or finished products of a manufacturing process, which has converted a virgin resource into a commodity of real economic value, and includes postconsumer material, but does not include fibrous waste generated during the manufacturing process such as fibers recovered from wastewater or trimmings of paper machine rolls (mill broke), wood slabs, chips, sawdust, or other wood residue from a manufacturing process. "Recycled paper product" means a paper product with not less than 50 percent, by fiber weight, consisting of secondary and postconsumer material with not less than 10 percent of fiber weight consisting of postconsumer material. For high speed copier paper, offset paper, forms bond, computer printout paper, carbonless paper, file folders, white wove envelopes, and for other uncoated printing and writing papers, such as writing and office paper, book paper, cotton fiber paper containing 25 to 75 percent cotton fiber, and cover stock, the minimum content standard shall be no less than 20 percent of fiber weight of postconsumer materials beginning December 31, 1994. The minimum content standard shall be increased to 30 percent of fiber weight of postconsumer materials beginning on December 31, 1998.