Spatial distribution of organochlorine contaminants in soil, sediment, and fish in Bikini and Enewetak Atolls of the Marshall Islands, Pacific Ocean

► Analysis of OCP, PCB, and PCT levels and distributions in soil, sediment, and fish. ► The samples collected from nuclear explosion sites at Enewetak and Bikini Atolls. ► Analytical results indicate local pollution sources. ► First report of OCPs, PCBs, and PCTs in samples from nuclear explosion sites.