64 resultados para Bioplastics,disposal,composting,lca
Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2013
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Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2013
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Audit report on the Water and Waste Disposal Systems for Rural Communities program for the City of Lone Rock, Iowa for the year ended June 30, 2014
Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2014
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Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2014
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Other Audit Reports - 28E Organizations
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Other Audit Reports - 28E Organizations
Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2015
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Audit report on the Delaware County Solid Waste Disposal Commission for the year ended June 30, 2015
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Strategy Report for Electronics Waste Management
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Newsletter for Department of Natural Resources, Waste Management Division
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Newsletter produced by Department Natural Resources, Waste Managment Division
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Newsletter prdouced by Department of Natural Resources, Waste Matters Division
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Newsletter produced by Department of Natural Resources, Waste Management Division
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The addition of supplementary cementitious materials (SCMs), such as fly ash (FA) and slag, generally improves concrete workability, durability, and long-term strength. New trends in sustainable development of concrete infrastructure and in environmental regulations on waste disposal are spurring use of SCMs in concrete. However, use of SCM concrete is sometimes limited due to a lack of understanding about material behaviors and lack of proper specifications for its construction practice. It is believed that SCM concrete performance varies significantly with the source and proportion of the cementitious materials. SCM concrete often displays slower hydration, accompanied by slower setting and lower early-age strength, especially under cold weather conditions. The present research was conducted to have a better understanding of SCM concrete behaviors under different weather conditions. In addition to the study of the effect of SCM content on concrete set time using cementitious materials from different sources/manufacturers, further research may be needed to investigate the effects of SCM combinations on concrete flowability, air stability, cracking resistance, and durability.
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Executive Orders from Governor Ray. Relating to the disposal fo radioactive wastes.
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This report was prepared with the support of the Iowa Department of Natural Resources (IDNR) Contract Number 06-G550-02. It has been prepared for use by the IDNR for the specific purposes identified in the report. Use of the report and its contents for other purposes is prohibited without prior approval from the IDNR. Any opinions, findings, conclusions or recommendations expressed herein are those of the author and do not necessarily reflect the views of the IDNR. The Iowa Department of Natural Resources (IDNR) commissioned the completion of a statewide waste characterization study in 2005.
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Brownfield sites come in all shapes and sizes, from vacated industrial sites to a single building plagued with asbestos materials. Brownfield sites are found in both urban and rural settings and present challenges that make the cleanup and redevelopment of these sites unique as compared with other real estate projects.