By Committee on Ground Water Cleanup Altern, National Research Council
There is approximately 300,000 waste websites within the usa the place flooring water and soil are infected. but fresh stories query no matter if present applied sciences can repair infected floor water to ingesting water criteria, that's the aim for many websites and the end result anticipated via the general public. How can the kingdom stability public future health, technological realities, and price whilst addressing floor water cleanup? This new quantity deals particular conclusions, outlines examine wishes, and recommends rules which are technologically sound whereas nonetheless conserving overall healthiness and the surroundings. Authored via 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 activity. It reports the constraints of commonplace traditional pump-and-treat cleanup platforms, together with distinctive case stories. It evaluates more than a few cutting edge cleanup applied sciences and the obstacles to their complete implementation. It additionally offers particular ideas for rules and practices in comparing illness websites, in settling on remediation applied sciences, and in atmosphere applicable cleanup ambitions.
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Additional resources for Alternatives for Ground Water Cleanup
Although restoring the total volume of contaminated ground water to health-based standards may not be feasible at many sites, properly designed pump-and-treat systems still provide important benefits, including containment of the contamination, retraction of the plume of dissolved contaminants, and removal of some contaminant mass from the subsurface. Most sites with contaminated ground water contain two types of problem areas: (1) source areas and (2) dissolved plume areas. Conventional pump-and-treat systems may be effective for cleaning up plumes of dissolved contamination.
1989. Evaluation of Ground-Water Extraction Remedies: Volumes 1 and 2. : EPA, Office of Emergency and Remedial Response. EPA. 1990. Superfund Fact Sheet: Who Pays for Superfund? : EPA. EPA. 1992a. Evaluation of Ground-Water Extraction Remedies: Phase II, Volume I—Summary Report. 4-05. : EPA, Office of Emergency and Remedial Response. EPA. 1992b. National Pesticide Survey: Update and Summary of Phase II Results. EPA 570/9-91-020. : EPA, Office of Pesticide Programs. EPA. 1993. Cleaning Up the Nation's Waste Sites: Markets and Technology Trends.
In the middle is a group of sites generally represented by categories 2 and 3 in Table ES-l; for sites in this group, attaining health-based ground water cleanup goals will be difficult or unlikely with current technology but not necessarily impossible over the long term as technology improves. The long-term cleanup goals for sites in this middle group should be temporarily superseded by interim objectives reflecting the capabilities of existing technologies. ) Recommendation 2. The committee recommends that the EPA assess and develop guidance on institutional strategies for preventing public exposure to contamination over the long term at sites where reaching health-based cleanup goals is infeasible with the best available technologies.