In what location did  I see bucket? 
Plastic buckets were stacked in the back room, while red waste baskets were located in the restroom.
Gray storage containers were positioned on the shelves, and brown compost bins were found near the produce section.
Metal containers were arranged in the storage area, and orange trash receptacles were seen near the exit.
White bins were seen on and under the counter, and green trash cans were seen in the aisle.
Blue recycling bins were located next to the checkout lines, and yellow waste bins were placed by the entrance.