RAMSTEIN AIR BASE, Germany -- Trash must be separated into glass, plastics, paper and residual waste. These different categories will be picked up on different days. Off-base residents will be provided yellow bags and color-coded containers. Yellow bags are for plastics, rinsed cans and styrofoam. Blue containers are for paper products such as magazines, cardboard and books. Brown containers are for biological waste. Lastly, black containers are for residual waste. Residual waste does not contain pollutants nor can it be recycled.