Baseline for beached marine debris on Sand Island, Midway Atoll

► Baseline of beached marine debris established for Sand Island, Midway Atoll. ► About 3/4ths of debris was pieces/fragments; about a quarter was identifiable items. ► Plastic pieces were composed primarily of polyethylene and polypropylene. ► Identifiable items were from fishing/shipping and beverage/household products. ► Sites facing the North Pacific Gyre had the most debris.