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- W297360834 abstract "Dated cores collected from different sites in the Savannah Estuary were analyzed for 16 metals, 22 polycyclic aromatic hydrocarbons (PAH), 20 polychlorinated biphenyls (PCB) congeners, 16 pesticides and 3 butylins. Time stratigraphy of the cores were determined by measurements of Pb-210 and Cs-137 activities down the cores. Those chemicals which showed significant temporal changes down dated cores in the Savannah Estuary included mercury, lead, chromium, PAHs, DDT isomers and metabolites, PCBs and dieldrin. The present study used cores from the Savannah Estuary, where the population is relatively low (approximately 150,000) and industrial growth has occurred over the past 30 years. Thus, the concentrations of most anthropogenic chemical found in the cores of the Savannah Estuary were comparatively low. An interesting aspect of the study, which has been noted by many pollution history studies, was the decrease in the concentration of anthropogenic chemicals during the past two decades suggesting that many pollution control laws have been effective, even while industrial and population growth continues in an area. In summation, the authors` studies present evidence of relatively large inputs of anthropogenic chemicals, including mercury, chromium, lead, polycycloic aromatic hydrocarbons, dieldrin, DDT isomers, and polychlorinated biphenyls, during the 1950s and 1960 into themore » Savannah Estuary followed by a gradual decrease of these chemicals during the past 20 to 30 years.« less" @default.
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- W297360834 date "1997-09-01" @default.
- W297360834 modified "2023-10-16" @default.
- W297360834 title "Pollution history of the Savannah Estuary. National status and trends program for marine environmental quality" @default.
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