Scientific journal publication Balsa raft crossing the Pacific finds low contaminant levels. Goksøyr, A.; Tollefsen, K.E.; Grung, M.; Løken, K.; Lie, E.; Zenker, A.; Fent, K.; Schlabach, M.; Huber, S. Publication details Journal: Environmental Science and Technology, 43, 4783–4790, 2009