نتایج جستجو برای: substances
تعداد نتایج: 56173 فیلتر نتایج به سال:
The recent US Commodity Flow Survey data suggest that transporting hazardous materials (HAZMAT) often involves multiple modes, especially for long-distance transportation. However, not much research has been conducted on HAZMAT location and routing on a multimodal transportation network. Most existing HAZMAT location and routing studies focus exclusively on single mode (either highways or railw...
s of Remediation Case Studies: EPA 542-R-95-001, Documents project design, operation, performance, cost, and lessons learned. The reports should be useful to those evaluating the feasibility or design of these technologies at similar sites. [clu-in.com] Bioremediation Field Initiative Site Profiles. Current information on the status of bioremediation nationally as well as information on sites w...
The number of railroad events reported to the Agency for Toxic Substances and Disease Registry's Hazardous Substances Emergency Events Surveillance system increased from 84 in 1993 to 177 in 1998. Comparisons of data on railroad and non-railroad events were made. The results overall indicated a greater potential impact of railroad events on public health. A median number of 2039 persons were li...
I. Review information and studies on the environmental exposure and effects of nanoparticulate silver; II. Comment on known or predicted environmental exposure levels and whether these present a human health or environmental risk; III. Comment on the nature of appropriate measures to minimise risks, if these are felt to be necessary at this point in time; IV. Consider what action should be take...
Footwear is a complex product, comprising various materials which are made using a wide range of chemicals. Some of these chemicals are hazardous for health and for the environment. Converting raw hides into finished products requires a number of complex treatments, for which large amounts of chemicals and water are used. The purpose of this study is to provide information on the harmful substa...
Critics often claim that transportation accident investigations focus on finding someone to blame at the expense of deeper inquiries into the organizational factors that may have contributed to the accidents. Our independent analysis of the results of major National Transportation Safety Board investigations into aviation, marine, rail, highway, pipeline, and hazardous materials accidents refut...
The environmental problems of the United States and the European nations have generated a dynamic body of literature in legal and economic research. One of the most significant branches of this research has been the analysis of strict liability versus ex post negligence standards, and the sharing of damages under each regime, when the level of prospective environmental damages can be estimated ...
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