If it��s contaminated by oil, dirt, or ink, if it��s bleached, or if it��s covered with a plastic layer, it will no longer be biodegradable. However, it will still be recyclable after it��s been chemically treated.

If it��s contaminated by oil, dirt, or ink, if it��s bleached, or if it��s covered with a plastic layer, it will no longer be biodegradable. However, it will still be recyclable after it��s been chemically treated.