Home > Departments > Departments R - Z > Solid Waste Management > Curbside Recycling How to Prepare Recyclables Newspapers, magazines and inserts and phone books: Keep dry and clean. DO NOT mix with cardboard, brown paper bags, plastic bags or twine. Place in bins loose. Remove any ties or bags. Cardboard and paperboard: Break down boxes. Keep dry and clean. DO NOT mix with junk mail, magazines, newspaper or plastic bags. Office paper: Remove rubber bands, paper clips. Place in bins loose. Aluminum cans: Rinse, crush. Steel cans: Rinse, crush. Place lids in can. Do not need to remove labels. Plastic bottles, jugs, jars, trays, baskets, yogurt and butter containers: Rinse, crush. Do not need to remove labels. Orange juice and milk cartons: Rinse and remove cap to prevent mildew.