151 resultados para nuclear waste
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Audit report on the Butler County Solid Waste Commission for the year ended June 30, 2013
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The Troxler 3241-B Asphalt Content Gauge is intended for rapidly determining the bitumen content of bituminous paving mixtures. A 300 Millicurie Americuium 241: Beryllium source emitts neutrons which are affected by the hydrogen in the mix. The affected neutrons are detected by Helium 3 detectors, counted and computed into a percentage bitumen of the asphalt mix. The current methods of determining the bitumen content of bituminous paving mixtures requires the use of potentially hazardous chemicals and several hours of testing time. When extracted aggregates are not needed, determination of the bitumen content of a paving mixture by the nuclear method may be easier, quicker and potentially safer. The objective of the project is to study the accuracy of the Troxler 3241-B Nuclear Asphalt Content Gauge in measuring the asphalt cement (AC) content of asphalt concrete mixtures produced with different asphalt cements and different aggregates.
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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A lime by-product from the manufacture of acetylene from calcium carbide will be commercially available in Iowa. Since the cost of carbide waste lime f.o.b. source is only about half that of ordinary commercial lime, this material was investigated for potential uses in soil stabilization. The by-product lime is calcium hydroxide in a water slurry with approximately 40% solid concentration. Its effectiveness at stabilizing soils was checked by comparing with commercial high-calcium and dolomitic monohydrate varieties of lime. This was done by soil strength and plasticity tests in addition to studies of the reaction products by X-ray diffraction and chemical methods.
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Audit report on the Waste Authority of Jackson County for the year ended June 30, 2013
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Audit report on the North Central Iowa Regional Solid Waste Agency for the year ended June 30, 2013
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Audit report on the Great River Regional Waste Authority for the year ended June 30, 2013
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Audit report on the Rathbun Area Solid Waste Commission for the year ended June 30, 2014
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Audit report on the Shelby County Area Solid Waste Agency for the year ended June 30, 2014
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Audit report on the Pocahontas County Solid Waste Commission for the year ended June 30, 2014
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Audit report on the Crawford County Area Solid Waste Agency Commission for the year ended June 30, 2014
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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
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Audit report on the North Central Iowa Regional Solid Waste Agency for the year ended June 30, 2014
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Audit report on the Wayne-Ringgold-Decatur County Solid Waste Management Commission for the year ended June 30, 2014
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Audit report on the Waste Authority of Jackson County for the year ended June 30, 2014
