Resource Conservation, Recovery, and Solid Waste Disposal, Prepared by the Environmental Policy Division of the Congressional Research Service for ..., 93-1, November 19731973 - 311 páginas |
Dentro del libro
Resultados 1-5 de 72
Página 11
... mining companies to reclaim stripped land , and how do we decide between using land as a wilderness area or the ... mining , and timber residues . However , with the concentration of cattle in feedlots , the increase of fertilizer and ...
... mining companies to reclaim stripped land , and how do we decide between using land as a wilderness area or the ... mining , and timber residues . However , with the concentration of cattle in feedlots , the increase of fertilizer and ...
Página 13
... mining urban ore ; that is , mining the dumps to increase flow D. However , in mining urban ore , the costs of collection remain and the costs of separation are often larger than those associated with direct recycling E. An oft - cited ...
... mining urban ore ; that is , mining the dumps to increase flow D. However , in mining urban ore , the costs of collection remain and the costs of separation are often larger than those associated with direct recycling E. An oft - cited ...
Página 14
... mining sector enormous quantities of material are disowned by smokestacks and acid mine drainage . A basic rule of thumb is : whenever in a long chain of ma- terial flows price dips to zero , the material is subject to a push into the ...
... mining sector enormous quantities of material are disowned by smokestacks and acid mine drainage . A basic rule of thumb is : whenever in a long chain of ma- terial flows price dips to zero , the material is subject to a push into the ...
Página 21
... Mining Law , a rule of capture prevails for new discoveries . Just as in the case of ocean fishing the rule of capture for mineral claims leads to overuse of the resource base . Exploration is made on a preemptive basis in order to ...
... Mining Law , a rule of capture prevails for new discoveries . Just as in the case of ocean fishing the rule of capture for mineral claims leads to overuse of the resource base . Exploration is made on a preemptive basis in order to ...
Página 22
... mined in a 20 percent ore . Over the centuries the best ores have been depleted until the present , when copper is com- monly mined as a one - half percent ore . In spite of its depletion the price of copper has remained fairly constant ...
... mined in a 20 percent ore . Over the centuries the best ores have been depleted until the present , when copper is com- monly mined as a one - half percent ore . In spite of its depletion the price of copper has remained fairly constant ...
Términos y frases comunes
aluminum Assumptions automobiles average Avg Avg bauxite cars chromium coal Commission on Materials Committee commodities Comstock Lode conservation consumer copper cost depletion criterion depletion allowance deposits depreciation disposal costs economic effect efficiency energy environment estimated extraction factors Federal figure flow fluorspar forecasts foreign fuel future geologic geologic-analogy method global growth impact imports incentives income increase industrial demand iron limited manganese manufacturing metals million mineral resources mining municipal waste national materials policy natural gas nickel nonrenewable resources number of units oil and gas percent petroleum pollution potential Preston Cloud price subsidy primary material problem processing product durability projected recycling repair costs reserves Resource Recovery Resource Recovery Act rule of capture salvage value secondary materials sector short tons solid waste sources steel substitute supply surviving to age synthetic crude tion tires tons transportation virgin material warranty Weibull distribution
Pasajes populares
Página 203 - This radicalization was first clearly evidenced at the United Nations Conference on the Human Environment, held 'at Stockholm in 1972.
Página 204 - By far the most important action of this session was the adoption of a joint resolution ratifying the Fifteenth Amendment to the Constitution of the United States declaring that the right of citizens...
Página 29 - Extensive hearings followed before the House Committee on Ways and Means, and the Senate Committee on Finance.
Página 205 - The profound question is : Does this mean we will be 50 percent richer in a real sense, 50 percent better off, 50 percent happier? Or does it mean that in the year 1980 the President standing in this place will look back on a decade in which 70 percent of our people lived in metropolitan areas choked by traffic, suffocated by smog, poisoned by water, deafened by noise, and terrorized by crime?
Página 12 - USC 3252(4)), except that for purposes of this paragraph, material will not qualify as solid waste unless, on the date of issue of the obligations issued to provide the facility to dispose of such waste material, it is property which is useless, unused, unwanted, or discarded solid material, which has no market or other value at the place where it is located.
Página 205 - In the next 10 years we shall increase our wealth by 50 percent. The profound question is — does this mean we will be 50 percent richer in a real sense, 50 percent better off, 50 percent happier?
Página 2 - ... efforts to enlarge their markets; (2) that improved wellbeing of society is adequately measured by aggregate volume of the production of goods, increased per capita use of goods, and aggregate consumption of materials and energy; and (3) that technological development should and will continue to contribute to and accelerate the increased throughput of materials per person as it has in the past.
Página 187 - Historical data on other materials are not readily available in aggregate form, but declining recovery is generally the rule. It is reasonable to assume that a secondary material, one that has already been processed, should be a more attractive raw material to industry than a virgin material that must be extracted or harvested and processed. The secondary material is already purified and concentrated; scrap steel, for instance, is nearly 100 percent steel while the iron ore from which it is made...
Página 187 - The use of recycled materials appears to result in a reduction in atmospheric emissions, waste generated, and energy consumption when compared with virgin materials utilization...
Página 205 - Or, does it mean that in the year 1980 the President standing in this place will look back on a decade in which seventy percent of our people lived in metropolitan areas choked by traffic, suffocated by smog, poisoned by water, deafened by noise and terrorized by crime?