Effect of emissions control on the long-term frequency distribution of regional ozone concentrations

Article Abstract:

Researchers from the California Institute of Technology used a photochemical airshed model to measure the frequency of exceedence of ozone concentration standards set by the U.S. federal government in the Los Angeles area and how the area will respond to greater emission control.

California, Pollution, Los Angeles, California, California Institute of Technology, Atmospheric ozone

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Fate and transport of hexavalent chromium in undisturbed heterogeneous soil

Article Abstract:

Researchers from the Oak Ridge National Laboratory and Stanford University investigated the impact of hydrologic and geochemical processes in the transport of toxic metals, e.g. hexavalent chromium, in undisturbed soil core samples collected from the Oak Ridge National Laboratory.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Waste Management and Remediation Services, Chromium, Toxic Substances Control, Poisons, Waste management, Pollution control, Oak Ridge National Laboratory, Chromium (Metal)

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