By Committee on Ground Water Cleanup Altern, National Research Council
There is approximately 300,000 waste websites within the usa the place floor water and soil are infected. but contemporary reviews query no matter if present applied sciences can fix infected flooring water to ingesting water criteria, that is the aim for many websites and the end result anticipated via the general public. How can the state stability public healthiness, technological realities, and value whilst addressing flooring water cleanup? This new quantity deals particular conclusions, outlines study wishes, and recommends rules which are technologically sound whereas nonetheless keeping future health and the surroundings. Authored by means of the head specialists from and academia, this quantity examines how the actual, chemical, and organic features of the subsurface surroundings, in addition to the homes of contaminants, complicate the cleanup job. It stories the restrictions of accepted traditional pump-and-treat cleanup structures, together with distinct case reports. It evaluates more than a few leading edge cleanup applied sciences and the obstacles to their complete implementation. It additionally offers particular concepts for rules and practices in comparing infection websites, in deciding on remediation applied sciences, and in surroundings applicable cleanup targets.
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The EPA could also establish an easily used, publicly accessible data base for sites where ground water cleanup is under way. Performance of Conventional Pump-and-Treat Systems Conclusion. The ability of conventional pump-and-treat systems to reach health-based cleanup goals for contaminated ground water is highly site specific. Although cleanup is possible at some sites, properties of the subsurface and the contaminants may make restoring contaminated ground water to drinking water standards technically infeasible with current technology in reasonable time frames (decades) at a large number of sites.
1991 2,000 3,000 Office of Technology Assessment, 1989 10,000 1,500-3,500 NA 2,000-5,000 295,000 365,000 300,000-400,000 7,300 (at 1,800 installations) 4,000 (at 110 installations) 350 7,300 8,139 NA 1,700 NA 1,000 20,000 330,150-332,150 30,000 NA 40,000 363,000-466,000 NOTE: The numbers presented in this table are estimates, not precise counts. In addition, at some of these sites, ground water may not be contaminated. For example, the EPA (1993) estimates that ground water is contaminated at 80 percent of CERCLA National Priorities List sites.