Abstract
Sediment cores collected from Middle Loch and West Loch of Pearl Harbor were dated using fallout 137Cs and excess 210Pb and analysed for several major elements and trace metals. Results indicate that sediment deposited immediately following the 7 December, 1941, bombing attack on Pearl Harbor contained elevated levels of several trace metals. The bombing attack resulted in about six times more lead input to this estuarine area than the total combined lead input from sewage and naval maintenance operations during the succeeding 45 years. Although buried under 1 m of sedimentary material, this lead burden remains an environmental concern because dredging activities, ship traffic, and tropical storms could potentially resuspend this contaminated layer.
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