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Environmental and Safety Aspects of the Use of Sulfur in Highway Pavements - Volume I - Evaluation of Environmental and Safety Hazards
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1980-09-01
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[PDF-4.34 MB]
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Edition:Final Report
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Abstract:The use of sulfur in highway paving mixtures has introduced questions regarding the pollutants generated, their environmental impact and the safety aspects associated with mix preparation and placement. This report presents the results of an investigation in which these factors are assessed. The study considered the safety and environmental aspects of storage and handling, formulation, construction, operation and maintenance of highway pavements containing sulfur. These considerations included possible evolution of toxic and obnoxious fumes, dust and runoffs. Results of tests simulating in-service conditions such as traffic wear, skidding, freeze thaw, spills and fires are also discussed. The effects of these pollutants on humans, soils, highway structural materials, ground waters and vegetation is presented. Along with the laboratory study a detailed work plan which discusses methods and equipment for monitoring potential emissions and pollutants and recommended safety practices was generated. An annotated bibliography dealing with the safety and environmental effects on sulfur-modified paving materials was also prepared. The final report was prepared in three volumes: Volume I - Evaluation of Environmental and Safety Hazards; Volume II - Field Evaluation Plan and Volume III - Annotated Bibliography.
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