Cost Effectiveness Of Selected Roadway Dust Control Methods For Eagle River, Alaska
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Cost Effectiveness Of Selected Roadway Dust Control Methods For Eagle River, Alaska

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    The U.S. Environmental Protection Agency has set air quality standards for airborne particulates with diameters equal to or less than ten microns (PM10 particulates). These particulates have been correlated with respiratory illnesses. The primary standards for long term (annual) and short term (24 hours) PM10 concentrations are 50 and 150 micrograms per cubic meter of air, respectively. The short term concentrations have been exceeded on several occasions in both Eagle River near Anchorage and in the Mendenhall Valley of Juneau. Consequently, the Alaska Department of Environmental Conservation has undertaken a program to determine the sources of the particulates in these areas and potential ways to reduce them. This report is part of that effort. A previous study estimated the quantities of emissions from various sources in both areas. Roadways, both paved and unpaved, were found to be the source of substantial amounts of particulates in both cases. This report presents the final results of an effort to determine the cost effectiveness of various strategies for reducing these particulate emissions from roadways in the Eagle River area. A companion report addresses the problem in the Mendenhall Valley.
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