se and solid waste volumes. As the number of building products containing recycled content grows, the marketplace for recycled materials develops. Postconsumer recycled content is derived from materials that can no longer be used for their original purpose, and preconsumer recycled content consists of raw m

aper, paperboard, and fibrous wastes that are collected from municipal solid waste streams. Postconsumer material is recycled from consumer waste. Postconsumer recycled content is the percentage of material in a product that was consumer waste. The recycled material was generated by household, commercial, i